Fire Resistant Roof And Eave Detail

Noncombustible or fire resistant materials.

Fire resistant roof and eave detail.

10 low cost retrofits to your home. Here are ways you can harden your home and make it more fire resistant. Exposed fire retardant treated wood fascia. 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.

Roof eave fire resistance rating shall be permitted to be reduced to 0 hours on the underside of the eave provided no gable vent openings are installed. Homes with wood or shingle roofs are at high risk of being destroyed during a wildfire. County of san diego planning development services. For the fascia use noncombustible or fire resistant materials e g fire retardant treated lumber fiber cement board.

2x backing block. An enclosed overhang with a horizontal soffit. Build your roof or re roof with materials such as composition metal. There are two ways to detail the underside of the eave the intersection between the exterior wall and the roof.

Typical construction materials for eaves overhangs and soffits are not fire resistant and are therefore susceptible to ignition by embers and hot gases. Embers and hot gases from fire exterior wall cladding fascia gutter rafter underside of roof deck figure 3. Home escondido fire department. Once an eave overhang or soffit has ignited fire can spread onto the roof into the attic or onto and through the exterior wall.

The roof is the most vulnerable part of your home. For eave vents follow the guidance in vents. When you use option a or b above you will need to provide additional roof venting. Guidance document ignition resistant eaves.

Stucco is often recommended as one of the best materials for boxing in hazardous eaves. H e n o t md b. Roof eaves overhangs are a fire hazard but they can be protected with an encasement of fire resistant material. The eave is the part of the roof that extends out beyond the exterior wall.

These include boxing in and using open framing open eave.