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16 Apr

Embracing the Natural Evolution of SiOO:X Wood Protection: A Journey to Timeless Gray Tones

By Jocelyn Mahan In Abodo Vulcan Slats, ABODO Wood, Exterior Cladding, In the Field, Inspiring Designs, Low Maintenance Finishes, Maintenance, Sylva, Thermally Modified Wood, Wood University / No Comments

Natural wood possesses inherent beauty and is frequently incorporated into construction designs for its aesthetic appeal. However, wood is a natural material susceptible to degradation due to climatic elements, moisture, and UV rays. To preserve natural wood’s integrity and longevity, the application of a protective topcoat is a standard practice for all timber building materials.

In the realm of wood protection, SiOO:X stands out as a revolutionary solution that provides timber with a long-lasting shield against the outside elements and delivers a captivating aesthetic transformation over time. Unlike conventional wood treatments that create a protective seal on the surface, SiOO:X penetrates deep into the wood fibers, forming a shield that enhances the durability and longevity from within.

SiOO:X leverages the natural environment and wood’s characteristics to gradually cure wood over one to three years. This unique curing process results in a protection system that imitates wood’s natural protective layer. The curing process also triggers a gradual color transformation within a short timeframe, mimicking the authentic weathering effect seen in natural wood.

Twin Gables Feat. SiOO:X Abodo Vulcan Cladding

Curing with Nature
SiOO:X is crafted to work with nature. The curing process is intricately tied to the specific climatic environment where the wood cladding resides. The rate of change is often attributed environmental factors. Sunlight, rain, wind, and humidity are all factors that could affect the curing process*. Surfaces shielded from direct sunlight and harsh weather conditions, such as soffits or non-exposed walls, may undergo a slower rate of curing and color evolution. In contrast, the cladding that is fully exposed experiences more significant fluctuations.

Understanding the Curing Process
SiOO:X Wood Protector holds a unique silicon and potassium formulation that reacts with moisture and carbon dioxide. This chemical reaction forms a protective barrier within the timber. SiOO:X’s chemical reaction can occur independently of sunlight, ensuring consistent and reliable performance regardless of weather conditions over time. It creates a long-lasting shield against moisture, and UV rays.

The Evolution of Color
As the curing process progresses, the timber undergoes a remarkable transformation of color. The wood starts out in its natural coloration before gradually transitioning to a light whitewash tone, typically within six – twelve months of application. This initial phase represents the activation of SiOO:X’s protective properties that penetrate deep into the wood fibers. The timber gradually darkens to mid-gray ‘weathered’ tones, acquiring a timeless patina that adds depth and character to the wood surface. Exposed surfaces may undergo a more rapid color evolution than non-exposed walls. However, despite the differences in the rate of color evolution, the aesthetic outcome will be consistent across all surfaces over time.

Advantages Over Traditional Coatings
SiOO:X’s natural curing process offers several advantages over traditional coatings, particularly when it comes to durability, aesthetics, and environmental sustainability. Conventional wood protector coatings’ efficiency diminishes over time with exposure to the sun, leading to fade in color and less protection against wear and tear. On the contrary, SiOO:X works with the environment and delivers a natural color evolution. Wood treated with SiOO:X offers long-lasting protection and reduces the need for frequent reapplications, conserving resources and reducing maintenance costs in the long run.

An Eco-Conscious Formula
With a clear focus on sustainability and eco-friendliness, SiOO:X is engineered with a low VOC (volatile organic compound) formulation. It minimizes environmental impact while ensuring safety for users and our planet. By enhancing the longevity of wood, the lifespan of wooden structures is extended, contributing to waste reduction in the long run. Unlike other wood treatments that may leach harmful chemicals into the soil or waterways, SiOO:X is biodegradable and poses no risk to ecosystems.

Bear Creek Residence Feat. SiOO:X Abodo Vulcan Cladding

Embracing the Natural Beauty of SiOO:X Wood Protection
SiOO:X represents a paradigm shift in wood protection, offering a sustainable and aesthetically pleasing alternative to traditional coatings. By embracing the natural weathering process, SiOO:X celebrates the inherent beauty of wood while ensuring long-lasting protection against the surrounding elements.

reSAWN’s currently offers two thermally modified wood products with the SiOO:X wood protector: Abodo SiOO:X exterior cladding, and Sylva MONDARA exterior cladding. The thermal modification process improves the wood’s stability. When coated with SiOO:X, modified wood becomes exceptionally resilient, capable of withstanding the harshest conditions while maintaining its natural charm. SiOO:X offers robust protection that enhances the inherent qualities of thermally modified wood. Together, they create a synergy that results in stunning exterior cladding.

Whether used in commercial or residential projects, reSAWN’s SiOO:X products offer unmatched longevity, sustainability, and aesthetic appeal, setting a new standard in modern wood protection.

*In case of problems with black spores the SiOO:X system creates a barrier that prevents algae and spores from penetrating the wood. Because SiOO:X does not contain any strong toxins it cannot prevent black spores from settling on the surface. Periods of rain or damp weather are especially favorable for these airborne spores, which can often be found on wood surfaces that are in the shade or exposed to the weather. Black spores need nutrients to grow and they get these from natural sugars in the wood. These substances are leached out of the wood in the first 1–4 years. The presence of black spores also decreases as the SiOO:X silicon shield matures and gets stronger. For a full Care & Maintenance Guide, click here.

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2024 Earth Day Sustainable Solutions for Building Façades Featured Image

16 Apr

2024 Earth Day: Sustainable Solutions for Building Façades

By Blake Huang In Exterior Cladding, Featured In The News, In the Field, Inspiring Designs, Wood University / No Comments

Earth Day 2024 spotlights the theme “Planet vs. Plastics,” drawing attention to the pervasive use of plastic and its detrimental effects on the environment. While plastic remains a staple material in numerous industries, its profound negative impacts on Mother Earth are undeniable. However, how do plastic and natural products diverge, particularly in building materials?

Within the domain of building façades, particularly in the wall cladding category, two prominent options stand out: wood and plastic. While both offer solutions for protecting and enhancing structures, they differ significantly when it comes to environmental impact, aesthetics, and long-term sustainability. Understanding both materials’ characteristics and their implications for sustainable construction practices will further help all decision-makers in a project make informed decisions.

Timber holds a longstanding reputation as a renewable, sustainable building material. Responsibly sourced and managed wood cladding significantly reduces carbon footprints for the environment. Wood serves as a carbon sink throughout its lifecycle, from the growth of trees to the production of timber and building materials. This process actively removes carbon dioxide from the environment, aiding in mitigating greenhouse gas emissions. The regrowth process of trees is also beneficial to the environment; the process sustains and balances ecosystems, absorbing carbon from the atmosphere and enriching soil health. This natural process further enhances environmental resilience by storing carbon within the soil.

Plastic, on the other hand, is a synthetic material derived from fossil fuels. Its production process generates substantial greenhouse gas emissions and contributes to climate change. While in use, plastic products degrade into microplastics over time, slowly polluting our environment. Microplastics pose significant threats to ecosystems by contaminating soils, freshwater systems, and the air, thus impacting biodiversity. Unlike wood, which biodegrades and can be recycled or repurposed, plastic persists in the environment for centuries releasing harmful chemicals and microplastics into ecosystems.

While wood cladding and plastic siding offer solutions for building façades, their environmental impact, aesthetics, and long-term sustainability vary considerably. Wood is a natural resource and a sustainable option for our environment. Wood cladding offers environmental benefits and contributes to human health and well-being by connecting occupants with nature. Incorporating natural materials such as wood can elevate indoor air quality, alleviate stress, and boost productivity—fostering healthier and more sustainable built environments in the long run. By embracing a renewable, energy-efficient, and visually pleasing building material, we can all contribute to a greener future while creating beautiful and resilient structures that endure for generations.

Join the movement towards sustainability in construction. Contact us today to explore eco-friendly options for your building projects.

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08 Mar

Positive Impacts of Utilizing Wood in Commercial Projects

By Blake Huang In Exterior Cladding, Flooring, In the Field, Inspiring Designs, Interior Cladding, New Products, Sylva, Thermally Modified Wood, Wood University / No Comments

In light of climate change, there is a pressing need for everyone around the world to shoulder the responsibility to implement changes across various aspects of our lives, spanning from food consumption and transportation to energy systems and even our approach to construction. The demand for essential infrastructure continues to surge at record rates. To meet economic needs without jeopardizing the environment, the solution lies in using natural materials.

Wood, as one of our most traditional and natural construction materials, plays a pivotal role in both balancing and removing greenhouse gasses from the environment. Since their inception, trees have been integral to the ongoing process of removing greenhouse gasses by absorbing carbon from the atmosphere. This carbon is stored within their structure throughout their lifecycle, even after they are harvested and transformed into building materials, thereby continuing to contribute to carbon retention and storage.

By leveraging wood’s natural properties, timber is less carbon-intensive to manufacture compared to cement and steel. According to ARUP’s report, Rethinking Timber Building, cement production accounted for approximately 8% of global carbon dioxide emissions, while the iron and steel industry accounted for 6-7%. With the significant carbon footprint associated with cement and steel production, timber emerges as an increasingly compelling alternative.

Timber stands out as a renewable resource with ideal characteristics for construction materials. Beyond its role as a carbon sink, its tensile and compressive strength fortify building structures with enduring durability. The cellular structure of wood, consisting of strong fibers and a matrix of lignin, provides natural strength and flexibility. This composition allows the wood to bear significant loads and resist deformation.

UW-Platteville-reed-hemlock-inteiror-wall-cladding-Rev-Slider — University of Wisconsin Platteville Sesquicentennial Hall feat. REED Reclaimed Hemlock Wall and Ceiling Cladding

Though exterior applications like cladding may render wood vulnerable in certain environments, ongoing investments and advancements in preservation techniques, including thermal and chemical modifications, have bolstered its reliability as a sustainable building material over the years. Given the paramount importance of employing safe and dependable building materials for commercial projects, there remains a steadfast commitment to this cause. Simultaneously, the burgeoning emphasis on the health and comfort of occupants continues to garner increasing attention and significance in the construction industry.

When considering indoor health and comfort, the availability of natural materials is known to reduce occupant stress levels and heightened positive responses. Natural materials such as wood play a pivotal role in fostering biophilic design within commercial projects, integrating natural elements seamlessly into the built environment. A biophilic design approach in interior space enhances cognitive function and elevates mood and productivity for occupants. The warmth and organic qualities of wood create a welcoming and comfortable atmosphere, evoking human’s natural sense of connection to nature.

In addition to psychological well-being and comfort, natural materials help maintain better indoor air quality. Certain synthetic materials may release volatile organic compounds (VOCs) into the air. VOCs are chemicals that can evaporate into the air, contributing to indoor air pollution and potential health hazards. Opting for wood in construction and furnishing choices enhances the ambiance and aesthetic appeal of spaces and supports a healthier indoor environment by minimizing the emission of harmful chemicals. Incorporating wood into a biophilic design can fulfill green building certification criteria due to its inherent environmental benefits.

Vitus-Project-featuring-mate-european-white-oak-flooring-2 — Vitus Project feat. MATE European White Oak Flooring

Wood is renowned for its durability as a building material, often enduring for over a century when properly maintained. Nevertheless, as with all materials, there comes a point when wood reaches its end-of-life. When this moment arrives, the options for its disposal extend far beyond mere waste. The common options typically encompass disassembly, adaptation, and reuse, ensuring the longevity of wood as a building material while minimizing its environmental footprint and contributing to a more sustainable future. Through thoughtful practices, wood can continue to contribute to sustainable construction and design, embodying the principles of environmental stewardship and resource efficiency.

Wood isn’t just a conventional building material; it plays a vital role in advancing sustainability in construction. Wood stands as one of the most organic building materials, exhibiting reduced carbon intensity in manufacturing when compared to synthetic alternatives. Its inherent characteristics, including carbon sequestration throughout its lifecycle, remarkable durability, and renewable nature, wood emerges as a key player in environmentally friendly building practices. As we navigate the future of construction, prioritizing wood in commercial projects will continuously make positive impacts on our environment.

reSAWN TIMBER co.’s Sylva™ thermally modified product line presents domestically sourced and manufactured wood cladding suitable for both interior and exterior applications, providing environmentally friendly options with a minimal carbon footprint. Thermally modified wood further enhances the wood’s structure, transforming the wood into a material with improved durability, stability, and aesthetic qualities. Selecting a product that is both locally sourced and modified reflects a commitment to mitigating climate change and endorsing sustainable design for future buildings.

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06 Mar

Classic Sophistication: Herringbone and Chevron Flooring Design

By Blake Huang In Flooring, Inspiring Designs, New Products, Wood University / No Comments

The choice of flooring strongly influences an interior space’s overall aesthetic and ambiance. Each material brings its own set of characteristics, textures, and colors that can significantly affect the ambiance and style of a room. Hardwood flooring exudes warmth and elegance and lends itself perfectly to classic settings, adding a touch of biophilia sophistication. Beyond material selection, the design of flooring patterns introduces its own unique character to interior spaces. Herringbone and Chevron patterns bring their own unique character, charm, and versatility to interior spaces. We will delve into the fascinating world of these flooring patterns in the discussion below, uncovering their origins, unique characteristics, and the visual enhancements they bring to living spaces.

Herringbone Pattern
The Herringbone pattern, characterized by a distinctive zigzag arrangement, has a rich history dating back to the Roman Empire. Initially utilized in road construction, this interlocking design effectively mitigated impacts and traffic stress, resulting in roads of remarkable durability. This pattern found its way into interior design during the Renaissance period. The Renaissance fascination with classical design elevated the herringbone pattern to a symbol of elegance and sophistication, driving its widespread popularity during this period.

Herringbone is created by laying rectangular planks at a 45-degree angle to form a V-shaped pattern. The Herringbone pattern requires a divisible ratio between the plank’s length and face width. The divisible ratio brings a balanced proportion to the pattern, contributing to the symmetry and harmony of the overall pattern.

One of the key advantages of the Herringbone pattern lies in its ability to expand a room visually. The diagonal lines draw the eyes outward, creating an illusion of more space. The carefully calculated ratio ensures that the herringbone pattern maintains its distinctive and eye-catching appearance, further elevating its aesthetic appeal in interior design.

Herringbone floor patterns — Herringbone Pattern

Chevron Pattern
Often confused with Herringbone, the Chevron pattern is a close relative that distinguishes itself through its interlocked, V-shaped design. When building the Chevron pattern, the jointing end of the plank is cut at a precise angle, often at 45 degrees, to create a seamless, arrow-like pattern that exudes a sense of dynamic movement. The Chevron pattern finds its roots in ancient Greece, where its intricate layout displayed the Greeks’ expertise in geometric design and served a vital role in reinforcing the structural integrity of significant buildings such as temples and palaces.

What sets Chevron apart is its ability to impart a sense of order and directionality to a space. It works exceptionally well in long hallways or narrow rooms, providing a visually striking effect that leads the eye forward. The Chevron pattern brings versatility to architecture and interior designs; its geometric symmetry and precision represent harmony and order, reflecting the Greeks’ philosophical and mathematical ideals. This pattern design has evolved over centuries and symbolizes elegance and modernity.

Chevron Flooring Pattern — Chevron Pattern

Choosing the Right Pattern for Your Space
Each of these patterns brings its own unique character to interior spaces, and choosing the right one depends on various factors, including the size of the room, the desired ambiance, and personal preferences.

The Herringbone pattern can work wonders for smaller spaces by visually expanding the area. Its classic appeal adds warmth and character, making it an excellent choice for bedrooms, dining rooms, or cozy living areas.

With its dynamic and directional quality, the Chevron pattern is well-suited for elongated spaces. Hallways, entryways, or open-plan living areas can benefit from Chevron’s ability to guide the eye and create a sense of flow.

In the realm of interior design, flooring patterns define the character and style of a space. The Herringbone and Chevron patterns are timeless choices that have transcended centuries of design evolution. Whether you prefer the classic and sophisticated feel of Herringbone or the dynamic and directional nature of Chevron, these patterns offer a canvas for creating genuinely remarkable interiors that stand the test of time.

02 Feb

Sylva™: A Versatile Cladding Solution

By Jocelyn Mahan In Exterior Cladding, In the Field, Inspiring Designs, Interior Cladding, Low Maintenance Finishes, New Products, Sylva, Thermally Modified Wood, Wood University / 1 No Comments

Wood remains a prominent choice in modern architecture and design, and stands out as a leading building material. Given its natural and biodegradable characteristics, debates frequently arise regarding its longevity. As a result, manufacturers of building materials are continually engaging in exploration and innovation to meet evolving demands and preferences. They strive to enhance and discover sustainable solutions, with modified wood emerging as a forefront choice in this endeavor. reSAWN TIMBER co.’s Sylva™ product line is designed with functional and sustainable attributes in mind. This article explores the unique qualities and benefits that make this material a standout choice for various architectural projects.

Lower Embodied Carbon: Domestic Species & Sustainably Sourced
Currently, Sylva consists of locally harvested, FSC®-Certified North American Red Oak. FSC certification ensures that the Sylva product line comes from forests where responsible and sustainable forest management practices are implemented. This includes considerations for biodiversity, ecosystem health, and the rights of local communities. The distance between its harvesting and manufacturing locations is less than three hours, leading to a significant reduction in carbon emissions. Harvesting wood locally reduces the carbon footprint associated with transportation, contributing to an eco-friendly building process. By sourcing materials regionally, builders and architects can support local economies and reduce the environmental impact of their projects.

Natural Aesthetic
One of the most striking features of North American Red Oak is its gorgeous red undertone that delivers a rich and distinctive appearance. The thermal modification process enhances the coloration and boosts the wood’s natural beauty, giving it a warm and elegant aesthetic. One notable aspect of Red Oak is its variability in color, even timber sourced from the same tree can showcase varying shades. This inherent diversity in color lends itself to creating a versatile design, imbuing surfaces with visual depth, complexity, and an added touch of sophistication. The material can be used to seamlessly blend with a variety of design styles, from traditional to modern, making it a multifaceted choice for architects and designers seeking a timeless and visually appealing solution.

Thermally Modified Process
The thermal modification process involves exposing the Red Oak to high temperatures in a controlled environment, altering its chemical composition. This process enhances the wood’s durability, stability, and resistance to decay. As a result, thermally modified Red Oak cladding offers a longer lifespan and requires less maintenance when compared to unfinished wood.

Resistance to Decay
One of the primary concerns with wood cladding is its susceptibility to rot and decay. Thermally modified Red Oak addresses these concerns by becoming highly resistant to decay through the thermal modification process. The high temperatures cause chemical changes in the wood, leading to the modification of its cellular structure. Hemicellulose, one of the wood’s components, is permanently affected. The breakdown of hemicellulose reduces the wood’s ability to absorb and retain water, making it less susceptible to decay. This resistance ensures that the cladding remains durable and maintains its original quality, even in challenging outdoor environments.

Stability and Dimensional Consistency
The thermal modification process not only enhances the wood’s visual appeal but also improves its stability. The timber experiences chemical modification during the process that significantly reduces the timber’s susceptibility to absorb moisture and swell, resulting in a more dimensionally stable material. This stability is crucial in ensuring that the cladding maintains its structural integrity over time, even in varying environmental conditions.

Ease of Maintenance
Sylva requires minimal maintenance when compared to unfinished wood cladding. Its enhanced durability and resistance to decay means that it can withstand the elements without deteriorating. This not only saves time and effort for property owners but also contributes to the material’s longevity and cost-effectiveness.

Wide Range of Color Selection
The Sylva product line includes 13 products, with 5 featuring the Shou Sugi Ban technique during manufacturing. The base color of thermally modified red oak provides a versatile foundation for creating finishes in a wide range of rich tones. The colors range from browns to greys, to Shou Sugi Ban black. These products are suitable for both exterior and interior applications. The carefully chosen color palette was designed with precision to effortlessly blend the wood aesthetics both inside and outside, cultivating an environment that promotes a consistent and harmonious wood-themed aesthetic throughout the entire space.

The versatility and benefits of locally harvested thermally modified wood cladding make Sylva a compelling choice for architects, designers, builders, and even homeowners committed to sustainability and quality. From its sustainable sourcing practices, meticulously managed thermal modification process, and enhanced aesthetic appeal and durability, this material offers a harmonious blend of form and function. As the construction industry continues to prioritize eco-friendly and resilient solutions, Sylva cladding stands out as a reliable and aesthetically pleasing option for various architectural applications.

Contact us to connect with a reSAWN TIMBER co. specification consultant and explore the opportunities for incorporating Sylva™ Thermally Modified Red Oak into your next project.

02 Feb

Domestic Wood Species: Select with Sustainability and Carbon Emissions in Mind

By Blake Huang In Exterior Cladding, In the Field, Inspiring Designs, Thermally Modified Wood, Wood University / 3 No Comments

In the world of architectural design and construction, the choice of building materials plays a pivotal role, influencing the aesthetic appeal and a structure’s sustainable commitment and functional aspects. With the growing emphasis on sustainability and reducing carbon emissions, staying well-informed and possessing the knowledge to design and build with sustainable materials has become more crucial by the day.

According to The Institution of Structural Engineers, the building and construction industry is responsible for 40% of annual carbon dioxide emissions. Choosing appropriate building materials represents the first step in decarbonizing the building and construction sectors. The global popularity of using renewable, biogenic building materials is rising due to high sustainability awareness. A building product’s embodied carbon accounts for all the carbon emissions released throughout the product’s entire supply chain and life cycle. When opting for a building material, consideration should be given to all factors influencing carbon emissions throughout its entire life span.

Beginning as raw material, wood functions as a carbon sink, actively storing carbon dioxide from the environment. Contrary to the prevailing belief that harvesting trees disrupts the ecosystem and diminishes the photosynthesis process, wood remains a carbon sink even after being harvested. The regrowth of trees following harvest plays a crucial role in sustaining and balancing the ecosystem. Throughout the regrowth process, trees absorb carbon from the atmosphere. In addition, when forestry is managed sustainably with a focus on biodiversity, the diversity of the ecosystem provides an environment for microorganisms to thrive. These microorganisms actively contribute to soil restoration and enhance the productivity of emerging forests. Consequently, the soil gains capacity as a carbon store, effectively mitigating carbon dioxide emissions into the atmosphere.

A significant factor influencing the embodied carbon of a building product is transportation. Arup’s Embodied Carbon report highlights that the logistics involved in transporting raw materials to the factory contribute to 8-10% of the embodied carbon while transporting the finished product to the construction site accounts for 50-55%. The sourcing of materials holds paramount importance in determining the embodied carbon of building materials, impacting manufacturers and the decisions of architects and builders.

Timber stands out as one of the most natural construction materials, boasting lower carbon intensity in manufacturing, transportation, and construction than synthetic or man-made alternatives. Timber continuously contributes to regulating carbon emissions throughout its lifecycle. It plays a pivotal role in attaining a net-zero balance. Opting for locally sourced, sustainably harvested wood products is an additional catalyst for advancing the global pursuit of a sustainable future.

Sylva™ Thermally Modified North American Red Oak
Dedicated to fostering a sustainable future, reSAWN TIMBER co. is committed to offering responsibly sourced wood products without compromising structural integrity or aesthetics. The Sylva product line embodies this commitment, showcasing a domestic species harvested from FSC©-Certified, polyculture forests in Pennsylvania, where reSAWN is based. Locally sourced North American Red Oak minimizes transportation-related carbon emissions, aligning with eco-friendly building practices. In the architectural design and construction stages of a project, opting for building materials sourced and produced domestically significantly contributes to minimizing the environmental footprint associated with construction projects.

Contact us to speak with a reSAWN TIMBER co. specification consultant about utilizing a domestic wood species for your next project.

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17 Jan

Behind the Scenes of a Modern Cladding Solution: Thermally Modified Wood

By Jocelyn Mahan In Exterior Cladding, In the Field, Inspiring Designs, Thermally Modified Wood, Wood University / 1 No Comments

For centuries wood has been a popular and traditional material for various applications and its timeless appeal continues to endure in modern times. Its versatility, sustainability, and aesthetic qualities make it a preferred choice for a wide range of building uses, from commercial to residential applications.

As the popularity of wood continues to grow in the construction and design industry, manufacturers are actively developing new technologies to expand the product offerings. This effort caters to the increasing demand and aims to elevate the performance and sustainability of wood in construction and design applications. Among these methods, thermal modification stands out as a process that transforms wood into a material with improved durability, stability, and aesthetic qualities. This article delves into the various aspects of thermally modified wood, exploring the process and the remarkable benefits it brings.

Thermal modification is an eco-friendly process that involves altering wood using heat energy, omitting the use of additional chemicals. The heart of the process lies in the thermal modification itself. Wood undergoes controlled heating in an oxygen-deprived environment, while gradually raising the heat to the desired temperature. Precise control is exercised to ensure uniform heating throughout the material. This process induces structural changes within the wood, enhancing its properties without risking combustion.

The wood is maintained at an elevated temperature for a specified duration, allowing the thermal modification to permeate its cellular structure. This cooking phase is pivotal for achieving the desired physical and chemical transformations. The controlled application of elevated temperatures in the absence of oxygen leads to several changes in the cellular components of wood, including hemicellulose, cellulose, and lignin—which are three major components that contribute to the overall mechanical properties of wood.

Hemicellulose Decomposition
Hemicellulose, a polymer comprised of sugars found in timber, constitutes a significant portion of wood, accounting for 20-35% of its dry weight. It plays a crucial role in moisture absorption and facilitates cross-linking among cellular components. During thermal modification, hemicellulose undergoes decomposition, leading to a decrease in its content. This process releases water vapor and other volatile compounds from the timber. The reduced hemicellulose content decreases the timber’s capacity to absorb and release moisture, thereby improving its overall stability.

Cellulose Crystallinity
Cellulose, a fibrous structure serving as the primary constituent of wood fiber, plays a pivotal role in enhancing the strength and rigidity of wood. The crystalline regions of cellulose are well-organized and tightly packed. The degree of cellulose crystallinity in wood influences the wood’s physical properties, such as strength and stiffness. The heat treatment causes the cellulose chains to become more ordered and crystalline, increasing its stiffness. This alteration contributes to improved dimensional stability and reduced susceptibility to swelling and shrinking when exposed to changes in moisture levels.

Lignin Modification
Lignin is a complex polymer that holds cellulose fibers together. It acts as a binding substance and provides structural support and rigidity to wood. At higher temperatures during thermal modification, lignin depolymerizes and breaks down into smaller fragments. The heat energy then redistributes and recondenses these broken lignin fragments. The reorganization of these fragments can contribute to an increase in lignin content, resulting in altered characteristics such as improved dimensional stability.

Lignin is the primary contributor to the natural brown color of wood. Various wood processing methods can modify or eliminate lignin content, thereby influencing the wood’s color. Thermal modification tends to contribute to the enhanced coloration of the wood, often resulting in a darker and more uniform appearance.

Cooling Phase
Following the thermal modification, a carefully managed cooling phase follows to prevent abrupt temperature changes that could compromise the integrity of the modified wood. By managing the cooling phase correctly, the risk of structural damage to the wood is minimized. Slow cooling helps prevent surface irregularities, such as warping or cupping, which might occur if the wood experiences sudden temperature fluctuations.

In summary, thermal modification process changes the cellular characteristics and interaction among hemicellulose, cellulose, and lignin. These alterations enhance the mechanical properties of the wood, resulting in improved dimensional stability, reduced susceptibility to moisture absorption, and increased resistance to decay.

Thermally Modified Wood Cladding
Thermally modified wood has gained significant attention in recent years as an excellent option for wood cladding. The result is a material with enhanced durability, stability, and resistance to decay, making it particularly well-suited for exterior applications.

Sylva^TM and Abodo® are two examples of wood species that undergo thermal modification to enhance their performance as cladding materials.

Sylva is created from North American Red Oak, known for its attractive grain patterns and warm, reddish-brown hues. When thermally modified, it not only retains these aesthetic qualities but also gains increased resistance to decay, insects, and other environmental factors. This makes it an excellent choice for exterior cladding, where it can provide both visual appeal and long-term durability.

Abodo Vulcan thermally modified wood cladding is created from New Zealand plantation timber. The thermal modification process gives Vulcan cladding superior stability and reduced resin content. It’s naturally durable so the timber doesn’t require any chemical preservatives, and has a beautiful, consistent brown tone.

The versatility of thermally modified wood and its eco-friendly attributes establish it as a compelling choice for building materials across various applications, spanning from interior to exterior and encompassing both residential and commercial settings. As the building industry seeks sustainable and high-performance materials, the journey into the world of thermally modified wood opens doors to innovation and a more resilient future for wood-based products.

United States Green Building Council head Quarters CUSTOM North American White Oak

17 Jan

Green Building Certifications: Paving the Way for Sustainable Buildings

By Nicole Meehan In Exterior Cladding, In the Field, Inspiring Designs, Thermally Modified Wood, Wood University / No Comments

Global industries are facing pressure to restructure and adopt sustainable practices in response to widespread concerns about climate change. Specifically, the construction sector is encouraged to reevaluate every aspect of designing and constructing commercial projects, given their substantial consumption of energy and materials. Green building certifications are the modern-day blueprint for creating efficient, adaptable, and eco-friendly buildings. They demonstrate a proactive commitment to sustainability.

What are Green Building Certifications?

Green building certifications are rating tools that evaluate and acknowledge building structures that meet specific sustainability criteria or standards. By establishing benchmarks, green building certificates make it easier for governments to integrate green building principles into building codes and regulations, ultimately promoting greener and more sustainable construction practices. These certifications recognize and incentivize companies and organizations involved in constructing and operating environmentally friendly buildings. The incentives include tax credits, grants, loans, and fee waivers. Although different programs have varying levels of standards, they all focus on building a healthier, more sustainable future in commercial buildings.

Different certifications have distinct requirements. Some emphasize the use of energy-efficient, natural building materials with a low carbon footprint, ensuring a safe product lifecycle. Meanwhile, some certifications focus on performance criteria. Understanding certification requirements is essential for guiding projects toward the desired sustainability goal.

Below are several commonly observed green building certifications:

Total Resource Use and Efficiency (TRUE): Spaces that earn TRUE certification demonstrate a commitment to environmental responsibility, heightened resource efficiency, and the conversion of waste into savings and additional income streams. Through a closed-loop approach, these spaces mitigate greenhouse gas emissions, manage risks, diminish litter and pollution, reinvest resources locally, generate employment opportunities, and contribute enhanced value to both their company and community.
Leadership in Energy and Environmental Design (LEED) is the most widely used green building certification system in the world. Utilizing responsibly sourced materials and resources is a major contributor to achieving the certification. LEED-certified buildings save money, improve efficiency, lower carbon emissions, and create healthier spaces for people.
The Living Building Challenge is an ambitious and comprehensive green building certification program and sustainable design framework developed by the International Living Future Institute (ILFI). It goes beyond traditional sustainability standards by creating buildings that are not just environmentally friendly, but also guarantee the preservation of resources for the well-being of future generations.
WELL Building Standard is a performance-based system for measuring, certifying, and monitoring features of the built environment that impact human health and well-being. Unlike traditional green building certifications that primarily focus on environmental sustainability, WELL places a strong emphasis on health and wellness through air, water, nourishment, light, fitness, comfort, and mind.

These certificates are designed to promote sustainable and environmentally friendly practices in the construction and operation of buildings. Each has its own set of criteria and standards that buildings must meet to obtain certification.

Utilizing Natural Resources for Green Building Certified Projects

Wood emerges as a resilient and reliable option for projects aiming to attain green building certifications. Architects and designers frequently give preference to Forest Stewardship Council (FSC®) Certified wood products, as they guarantee the ethical sourcing of building materials. The incorporation of FSC®-Certified products in commercial projects enhances transparency and traceability in the construction process.

reSAWN TIMBER co.’s Specification Consultants are trained to collaborate closely with architects and designers to fulfill the criteria and standards of green building certifications. Whether it involves wood flooring, exterior, or interior cladding, our products are designed to provide sustainable solutions for new and existing commercial buildings. Connect with our Specification Consultants for your next project!

Dartmouth College Hood Museum of Art :: CUSTOM North American White Oak – LEED Gold

Dartmouth College expanded and renovated its Hood Museum of Art, incorporating additional galleries and learning spaces to offer an immersive experience for both visitors and students. The FSC®-Certified European White Oak flooring displays inviting tones, establishing a connection between the exhibits and the natural world.

Hood Museum of Art, Dartmouth College feat CUSTOM North American White Oak — Hood Museum of Art at Dartmouth College feat. CUSTOM European White Oak

United States Green Building Council Headquarters :: CUSTOM North American White Oak – LEED Platinum

The U.S. Green Building Council in Washington D.C. downsized and renovated their headquarters to create a hybrid and healthy work environment for their employees. The office achieved a triple platinum certification in LEED, TRUE, and WELL by integrating biophilic features such as natural FSC®-Certified North American White Oak flooring, living plant walls, and strategically utilizing natural lighting.

U.S. Green Building Council (USGBC) Head Quarters CUSTOM North American White Oak Flooring — USGBC Headquarters feat. CUSTOM North American White Oak

Comcast Technology Center :: CUSTOM Antique Reclaimed Wood- LEED Platinum

The 27th floor of the Comcast Technology Center in Philadelphia, PA, features a loft-style design in its headquarters, providing staff with flexibility in their workspace and work styles. Upon entering the office, occupants and visitors are warmly welcomed by reclaimed oak interior cladding, fostering a sense of inclusiveness and collaboration.

Comcast Technology Center CUSTOM reclaimed oak interior cladding — Comcast Technology Center CUSTOM Reclaimed Oak

Two Rivers Middle School :: AMITY European White Oak LEED Gold

Two Rivers Middle School is a network of high-performing public charter schools in Washington D.C. that offers hands-on, project-based learning that fosters curiosity, character, and meaningful engagement among students. As students step into the school, the European White Oak wall and ceiling cladding creates an inviting and supportive ambiance, setting the tone for a positive learning environment.

Two-Rivers-Charter-School-ft.-AMITY-European-White-Oak-and-PALAWAN-Accoya4 — Two Rivers Middle School feat. AMITY European White Oak

455 Massachusetts Ave :: AMITY European White Oak – LEED Platinum

455 Massachusetts is a 12th-floor Class A commercial office building located in Washington D.C. The European White Oak flooring offers a refreshing touch to the modern commercial design.

455 Massachusetts Ave feat. AMITY European White Oak

reSAWN TIMBER co. offers accessible and reliable FSC®-Certified wood products, providing architects and builders with a sustainable choice. Check out reSAWN TIMBER co.’s Sylva™ FSC®-Certified Thermally Modified Red Oak products as a sustainable building solution.

15 Jan

Living on the Edge: Understanding and Navigating the Wildland Urban Interface

By Nicole Meehan In Exterior Cladding, In the Field, Inspiring Designs, Thermally Modified Wood, Wood University / No Comments

Wildfires have become a common topic and focus worldwide as they are becoming more frequent, intense, and challenging to contain. The rapid spread of wildfire into inhabited areas could cause devastating losses of life and health, as well as financial and property damages.

The Wildland Urban Interface (WUI) is a critical area where human development meets the natural, undeveloped landscape. The population is rapidly growing in the U.S., and more and more people and families are choosing to live in the outskirts, suburbs, and rural expanses. Housing development follows the population and grows into wildlands. As communities expand, the interface between wildlands and urban areas becomes increasingly prominent—a high-risk area when wildfires occur.

The Wildland Urban Interface is not static as it is constantly growing. The WUI zone varies across regions depending on climate, topography, vegetation, and land use. WUIs typically include suburban neighborhoods, recreational areas such as golf courses, and communities near natural landscapes. These locations are where wildfires have the most significant impacts on human lives. The latest information on WUI areas can be found on the official website of the local fire department.

Vegetation, topography, and human activities are three major factors of wildfire spread in the WUI areas. The lush greenery enhances the aesthetic appeal of residence placements. Its combination with natural topography, such as steep slopes, canyons, and ravines, provides mental solace for residents. However, when wildfires occur, the vegetation becomes fuel for wildfires, and the layout of the land can affect how quickly flames advance, adding complexity to managing and mitigating fire risks.

In addition to natural wildfires, human activities could pose fire risks in these interface zones. Recreational outdoor activities, agriculture, and urban development increase the likelihood of human-induced wildfires. Human activities elevate the probability of initiating fires and add challenges to emergency response and evacuation. Rapid urbanization and sprawling developments create numerous access points for fires, making it challenging for firefighting crews to swiftly contain blazes. Evacuating residents during a wildfire becomes a logistical puzzle, requiring meticulous planning and coordination among emergency services.

Mitigating and preparing for wildfires, particularly in wildland-urban interfaces, are critical concerns for the public and federal, state, and local governments. These efforts are essential to safeguard communities from potential losses and damages. Common fire mitigation strategies involve community planning, comprehensive fire and life safety regulations, and stringent building standards. Educating and preparing the local communities about the devastating effects of wildfires can help reduce human-ignited fires and improve emergency responses. Creating ample defensible space between structures by reducing vegetation helps decrease the speed of fire spread. Additionally, choosing WUI-compliant building materials during new and remodel construction can mitigate the impact of wildfires and minimize the risk of ignition.

Living on the edge of wildlands comes with the allure of natural beauty and the challenges of managing the inherent risks. The Wildland Urban Interface demands a proactive and collaborative approach to safeguard communities against the threat of wildfires. Through careful planning, education, and investment in firefighting resources, residents and policymakers can work together to create resilient communities that coexist with nature while minimizing the impact of potential disasters. As we continue to expand our urban footprint, understanding and addressing the complexities of the Wildland Urban Interface will be crucial for building a safer and more sustainable future.

1700-spruce-rd-abodo-vulcan-cladding-walnut-

15 Jan

How to Choose Building Materials in Wildfire-Prone Areas: WUI-Compliant vs. Building Material Listing

By Nicole Meehan In ABODO Wood, Exterior Cladding, In the Field, Inspiring Designs, Thermally Modified Wood, Wood University / 1 No Comments

In an unprecedented reversal of American history, the demographic landscape of the United States is undergoing a transformative shift. A growing number of Americans are choosing to relocate from major cities and metropolitan hubs to the outskirts, suburbs, and rural expanses, propelled by a multitude of factors. As individuals settle in and around diverse ecosystems such as forests, grasslands, and shrub lands—also known as wildland-urban interface (WUI) zone—ramifications of this population shift become more pronounced.

This migration trend unfolds against an increasingly pressing concern—climate change-induced wildfires across North America. The intricate interplay between human habitation and natural landscapes amplifies the challenges associated with wildfires. With rising temperatures and prolonged droughts heightening the risk of wildfires, a significant emphasis is placed on enhancing safety measures and protections in the WUI zone.

Introduction of Wildland Urban Interface Construction Codes

Over the years, with the escalating threat of wildfires, there has been a growing development of building codes tailored specifically for areas prone to wildfires.

The Wildland-Urban Interface (WUI) provisions are typically integrated into state or local building codes. California is known for introducing its own set of WUI zone construction requirements within the California Building Code (CBC) in 2008. CBC regulations mandate that building products intended for use in the WUI zone or State Responsibility Area (SRA) must adhere to specific directives. The WUI construction code primarily aims to enforce heightened standards for fire resistance and ignition resistance in the built environment.

A home or building designed and constructed with meticulous attention to detail and the use of compliant building materials significantly enhances its chances of withstanding a wildfire. There are two common ways to identify optimal building products for properties located in wildfire-prone areas: opting for WUI-Compliant building products or selecting products listed under CAL FIRE Building Materials Listing Program.

WUI-Compliant Building Products

WUI-compliant products generally refer to products and materials that meet specific standards and regulations outlined for the Wildland-Urban Interface zones.

According to California Building Code (CBC), the minimum requirement for building envelope components, such as siding/cladding is that an exterior wall covering or wall assembly, shall comply with one of the following requirements:

Noncombustible material
Ignition-resistant material
Heavy timber exterior wall assembly
Log wall construction assembly
Wall assemblies that have been tested in accordance with the test procedures for a 10-minute direct flame contact exposure test set forth in ASTM E2707 with the conditions of acceptance shown in Section 707A.3.1
Wall assemblies that meet the performance criteria in accordance with the test procedures for a 10-minute direct flame contact exposure test set forth in SFM Standard 12-7A-1.

CAL FIRE Building Materials Listing Program

CAL FIRE is a California state agency responsible for safeguarding natural resources within areas designated by the State Board of Forestry as State Responsibility Areas (SRA). In alignment with this mission, the Office of State Fire Marshal (OSFM) introduced the Building Materials Listing (BML) Program. This program serves as a comprehensive initiative aimed at evaluating and certifying a diverse array of building materials. Product manufacturers are required to pass rigorous testing conducted through laboratories accredited by the State Fire Marshal (SFM), ensuring their building materials meet stringent standards for the WUI zone.

The BML Program provide authorities, architects, engineers, contractors, and the fire services with a reliable and readily available source of information when they do not have a staff or subject matter expert to assess the building material quality.

Source: https://hazards.fema.gov/nri/wildfire

Wood Cladding for Wildfire-Prone Areas

There is a common belief that wood, being perceived as combustible and flammable, is not considered a safe material in proximity to fire. As a result, wood is often not the first come to mind when selecting building materials for building structures in wildfire-prone areas. As technology advances, reSAWN TIMBER co. addresses this challenge by innovatively modifying wood structures. The thermally modified wood offerings, Abodo and Sylva, can be more resistant to fire than untreated wood. The thermal treatment alters the chemical composition of the wood, leading to a decrease in the content of flammable substances within the material, while preserving the original aesthetic of wood.

reSAWN’s Abodo offerings are less likely to ignite and sustain combustion compared to untreated wood. When integrated with fire-rated sheathing or gypsum board to form the wall assembly, it delivers a structurally sound exterior wall approved and listed under the CAL FIRE Building Materials Listing Program.

As demographic trends evolve and more individuals relocate to wildland-urban interface (WUI) zones, architects, builders, and homeowners must stay well-informed about the escalating wildfire risk. This necessitates diligent research, selecting building materials by code requirements, and preserving aesthetic appeal throughout the construction process. Contact us to learn about what product works best for your project.