Mass timber is a category of framing often using large panelized solid wood construction including cross-laminated timber (CLT), nail laminated timber (NLT), dowel-laminated timber (DLT), and glued laminated timber (glulam) panels for floor and wall framing.
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ATF Fire Tests
A team of fire experts from the U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) working alongside scientists from the U.S. Forest Products Laboratory put identically furnished, multistory, one-bedroom apartments constructed of exposed, partially exposed, and unexposed (protected) five-ply cross-laminated timber (CLT) through a series of rigorously monitored fire tests.
Learn more about these tests in support of tall wood buildings.
Fire is a danger for all buildings and construction sites – regardless of building material. Fires start in the contents and furnishings we bring into our homes, and occur in concrete, steel, masonry, and wood buildings alike. What is most important is building to code to ensure safe buildings for occupants and first responders.
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The Woodaware website provides awareness level information to the fire service on traditional and modern wood products used in residential construction. A Pictorial Guide provides a walk-through of modern wood construction and products.
Get the Facts on Wood Multifamily Construction & Fire Safety
Misinformation about fire safety is dangerous–that's why the American Wood Council is providing the facts about wood construction and code requirements. Watch to learn how the lumber industry is committed to building a safe, resilient future.
Some in the design community have been contacted with a "report" that includes inaccurate claims about wood. While its bias toward competitive materials and goal of attacking wood is clear, it has nevertheless generated questions and requests for clarification. We correct the inaccurate competitive claims here.
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