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.
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.