Fire Resistant Roof And Eave Detail

Guidance document ignition resistant eaves.

Fire resistant roof and eave detail.

Exposed fire retardant treated wood fascia. Stucco is often recommended as one of the best materials for boxing in hazardous eaves. Typical construction materials for eaves overhangs and soffits are not fire resistant and are therefore susceptible to ignition by embers and hot gases. 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.

The eave is the part of the roof that extends out beyond the exterior wall. 10 low cost retrofits to your home. Roof eaves overhangs are a fire hazard but they can be protected with an encasement of fire resistant material. When you use option a or b above you will need to provide additional roof venting.

2x backing block. For the fascia use noncombustible or fire resistant materials e g fire retardant treated lumber fiber cement board. Noncombustible or fire resistant materials. U b l p t e h is mo t s l e ive d c g o o.

Build your roof or re roof with materials such as composition metal. An enclosed overhang with a horizontal soffit. Home escondido fire department. Low cost retrofit list roof.

Since this assembly has been rated as fire resistant in the building code there have. 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. County of san diego planning development services. Here are ways you can harden your home and make it more fire resistant.

Homes with wood or shingle roofs are at high risk of being destroyed during a wildfire. H e n o t md b. Once an eave overhang or soffit has ignited fire can spread onto the roof into the attic or onto and through the exterior wall. For eave vents follow the guidance in vents.

The roof is the most vulnerable part of your home.