MATSU
Texture variation: Charred
Ideal for coastal and high-humidity climates, MATSU delivers a rich, tactile surface with natural grain movement that adds variation across each board. With resilient long-term performance for architectural cladding, MATSU brings a strong exterior presence to projects shaped by moisture, sun, and changing weather, while still feeling warm and material driven.
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Grade Options
Select
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Finish
Charred, Water-Based
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Profile
T&G, S4S
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Application
Interior Cladding
Sustainable by Design
Wood from Responsibly Managed Forests
Supports LEED certification requirements
Free of Red List chemicals and transparently disclosed
Certified for material health and sustainable product performance
Naturally renewable material
Formulated for low VOC (volatile organic compounds) emissions
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SPECIES
Acetylated Radiata Pine
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GRADE
Select
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PROFILES
T&G, S4S
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WIDTHS
T&G: 5-3/8″, 7-3/8″
S4S: 5-3/4″, 7-3/4″
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LENGTHS
6′-16′ Random Lengths
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THICKNESS
T&G, S4S: 3/4″
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WARRANTY
50-Year Above-Ground Protection
25-Year Below-Ground Protection -
TESTING
ASTM E84 – Class C Flame Spread
EN 350 Class 1 Durability
ASTM E2707 – Exterior Wall Fire Penetration Resistance (WUI)
Janka Hardness – 922 lbf (ASTM D143)
Accoya®: Acetylated Radiata Pine
Accoya is a high-performance wood cladding manufactured from sustainably sourced radiata pine and modified through a proprietary acetylation process. Engineered for exceptional durability and dimensional stability, Accoya resists swelling, shrinking, and movement, making it well suited for demanding exterior applications. Accoya offers long-term durability, reduced maintenance, and reliable performance in a wide range of climates.
