Wui Gutter Requirements

Ventilation openings for enclosed attics enclosedeave soffit spaces enclosed rafter spaces formed where ceilings are applied directly to the underside of roof rafters.

Wui gutter requirements.

Wildland urban interface code wui guide. Noncombustible corrosion resistant and the dimensions of the openings are min. Underlayment materials decking valley flashing and gutter protection. R337 5 3 attic gable and eaves above 12ft and under floor ventilation are fully covered.

Nfpa 1906 standard for wildland fire apparatus. The majority of the new requirements take effect in 2008. 1 16 inch and do not exceed 1 8 inch the exterior wall. Roof gutters shall be provided with the means to prevent the accumulation of leaves and debris in the gutter.

Alternative decking materials passing the performance test requirements of state fire marshal standard 12 7a 4 and approved by the building the wildland urban interface wui approved products was created in late 2007 to provide a listing of approved wui products that are compliant with chapter 7a. Wildland urban interface wui construction requirements chapter 7a appl y to new buildings in all state responsibility areas sra and in very high fire hazard zones within local responsibility areas lra. Ignition resistant construction requirements for mobilehome parks and special occupancy parks after january 21 2009 pdf accepted products 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. Perforated cap sheet and at least 36 inches wide running the full length.

Covering and exposed underside of the eave are of noncombustible material or ignition resistant material per sfm standard 12 7a 5 ignition. Metal wire mesh vents or other materials that have a minimum 1 16 inch and. These new codes include provisions for ignition resistant construction standards in the wildland urban interface. See examples of construction requirements on pages 4 5 of 8.

Attic ventilation cbc 706a crc 337 6 provide details for attic eave and foundation protection to resist ember and flame intrusion and. The purpose of the wui. Wildland urban interface wui fire conformance policy page 2 of 8. Vents section r327 6.

The county s fire and building codes have been strengthened in successive code adoption cycles with the primary goals of protecting the safety of our citizens and enhancing a home s ability to survive a wildfire.