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California Fire Standards and Exterior Wood Products

California Building Code Chapter 7A requires building construction used in the exterior of buildings within Wildland-Urban Interface (WUI) fire areas to be fire-resistive construction.   Lumber products used as siding, decking or soffits in exteriors must pass state-mandated fire tests.

WWPA has prepared a Tech Note to assist those making and selling lumber products in California that may be used in exterior applications such as siding, decking and soffits. Tech Note 2008-01 lists the products that have successfully passed fire tests or are covered by the generic approval . It also shows required installation methods and specifications. 

Tech Note CA Fire

California Fire Standards and Exterior Wood Products - Rev. 10

4 pages, published 2008, revised October 2009

A review of regulations for building materials used in new construction in California's Wildland Urban Interface (WUI) areas, including siding, decking and soffit products for a listed lumber species that meet the California Building Code Chapter 7A requirements.