Fire Resistant Roof And Eave Detail

Exposed fire retardant treated wood fascia.

Fire resistant roof and eave detail.

For eave vents follow the guidance in vents. Noncombustible or fire resistant materials. 2x backing block. There are two ways to detail the underside of the eave the intersection between the exterior wall and the roof.

Guidance document ignition resistant eaves. Roof eaves overhangs are a fire hazard but they can be protected with an encasement of fire resistant material. Once an eave overhang or soffit has ignited fire can spread onto the roof into the attic or onto and through the exterior wall. H e n o t md b.

These include boxing in and using open framing open eave. Home escondido fire department. Build your roof or re roof with materials such as composition metal. The roof is the most vulnerable part of your home.

For the fascia use noncombustible or fire resistant materials e g fire retardant treated lumber fiber cement board. The eave is the part of the roof that extends out beyond the exterior wall. An enclosed overhang with a horizontal soffit. Stucco is often recommended as one of the best materials for boxing in hazardous eaves.

Embers and hot gases from fire exterior wall cladding fascia gutter rafter underside of roof deck figure 3. For more information on eave construction or other fire code requirements please refer to the county s wildland urban interface summary document pds 664 or contact the county s building department fire services division at 858 565 5920. Since this assembly has been rated as fire resistant in the building code there have. Low cost retrofit list roof.

U b l p t e h is mo t s l e ive d c g o o. Typical construction materials for eaves overhangs and soffits are not fire resistant and are therefore susceptible to ignition by embers and hot gases. 10 low cost retrofits to your home. Homes with wood or shingle roofs are at high risk of being destroyed during a wildfire.

County of san diego planning development services.