California State Fire Marshal Wui Approved Siding

Lumber products used as siding decking or soffits in exteriors must pass state mandated fire tests.

California state fire marshal wui approved siding.

All products published in this book are approved by the sfm. Only products submitted to the sfm and in compliance will be published. For products to be used in the wildland urban interface wui there are some regulations that required building products to comply with specific standards. 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. Fire retardant treated wood shingles and shakes shall be approved and listed by the state fire marshal in accordance with section 208 c title 19 california code of regulations. 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. 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.

Building officials a readily list of compliance wui products the state fire marshal is publishing this wui products handbook. The wui standards apply to new buildings of all occupancy types in sra areas in addition to the following. 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. Santa cruz county has amended the ca codes in regards to projects subject to wui additions and exterior alterations of existing buildings in all sra areas must comply with the exception of replacement siding not exceeding 100 sq.

Building officials a readily list of compliance wui products the state fire marshal is publishing this wui products handbook. Ft replacement of a broken window or glass door. If the siding is made from timbers that are large enough to comply with the definition heavy timber then that siding complies. 703a 5 3 surface treatment protection.

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. Similarly round logs used in a log home also comply prescriptively. All products published in this handbook have been reviewed and verified their compliance in accordance with the new 2007 cbc by sfm staff.