Wui Gutter Requirements

Attic ventilation cbc 706a crc 337 6 provide details for attic eave and foundation protection to resist ember and flame intrusion and.

Wui gutter requirements.

1 16 inch and do not exceed 1 8 inch the exterior wall. Wildland urban interface wui fire conformance policy page 2 of 8. Covering and exposed underside of the eave are of noncombustible material or ignition resistant material per sfm standard 12 7a 5 ignition. Wildland urban interface code wui guide.

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. 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. The updated fire hazard severity zones will be used by building officials to. Roof gutters shall be provided with the means to prevent the accumulation of leaves and debris in the gutter.

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. Nfpa 1906 standard for wildland fire apparatus. It also assesses improved property or planned property improvement that will be located in a wildland urban interface wui area and it provides minimum requirements for new construction to reduce the potential of structure ignition from wildland fires. Ventilation openings for enclosed attics enclosedeave soffit spaces enclosed rafter spaces formed where ceilings are applied directly to the underside of roof rafters.

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. These new codes include provisions for ignition resistant construction standards in the wildland urban interface. Noncombustible corrosion resistant and the dimensions of the openings are min. The purpose of the wui.

The california building commission adopted the wildland urban interface wui codes in late 2005. R337 5 3 attic gable and eaves above 12ft and under floor ventilation are fully covered. Underlayment materials decking valley flashing and gutter protection. Vents section r327 6.

The majority of the new requirements take effect in 2008.