California State Fire Marshal Wui Approved Siding

Similarly round logs used in a log home also comply prescriptively.

California state fire marshal wui approved siding.

In an effort to provide the home owners industries designers local fire and building officials a readily list of compliance wui products the state fire marshal is publishing this. Lumber products used as siding decking or soffits in exteriors must pass state mandated fire tests. 703a 5 3 surface treatment protection. The listing of wildland urban interface wui approved products was created to provide a directory of wui products that are in compliance with chapter 7a of the california building code and chapter r327 of the california residential code.

All products published in this book are approved by the sfm. The wui standards apply to new buildings of all occupancy types in sra areas in addition to the following. Building officials a readily list of compliance wui products the state fire marshal is publishing this wui products handbook. If the siding is made from timbers that are large enough to comply with the definition heavy timber then that siding complies.

Only products submitted to the sfm and in compliance will be published. A listing of most of the decking products that comply with the california requirements is maintained in a free online database called the building material listing bml formerly known as the wui product handbook and is maintained on the office of the state fire marshal osfm web site. All products published in this handbook have been reviewed and verified their compliance in accordance with the new 2007 cbc by sfm staff. To date the california office of the state fire marshal has approved and listed multiple applications of lp s products for use in wui areas proving that wood based building materials can be part of a wui compliant solution.

For products to be used in the wildland urban interface wui there are some regulations that required building products to comply with specific standards. Lp smartside siding helps meet cal fire wui codes when paired with either gypsum board or lp flameblock fire rated. 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. All products published in this handbook have been reviewed and verified their compliance in accordance with the new 2007 cbc by sfm staff.

The list of approved products is provided in the building materials listing bml under the following. Building officials a readily list of compliance wui products the state fire marshal is publishing this wui products handbook. The third way to comply is to pass the office of the state fire marshal standard sfm 12 7a 1 for exterior wall siding and sheathing.