Fire Resistant Roof And Eave Detail

An enclosed overhang with a horizontal soffit.

Fire resistant roof and eave detail.

The eave is the part of the roof that extends out beyond the exterior wall. Low cost retrofit list roof. There are two ways to detail the underside of the eave the intersection between the exterior wall and the roof. For the fascia use noncombustible or fire resistant materials e g fire retardant treated lumber fiber cement board.

H e n o t md b. Typical construction materials for eaves overhangs and soffits are not fire resistant and are therefore susceptible to ignition by embers and hot gases. Home escondido fire department. 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.

County of san diego planning development services. These include boxing in and using open framing open eave. Noncombustible or fire resistant materials. 2x backing block.

Build your roof or re roof with materials such as composition metal. Exposed fire retardant treated wood fascia. Here are ways you can harden your home and make it more fire resistant. Since this assembly has been rated as fire resistant in the building code there have.

For eave vents follow the guidance in vents. Embers and hot gases from fire exterior wall cladding fascia gutter rafter underside of roof deck figure 3. The roof is the most vulnerable part of your home. 10 low cost retrofits to your home.

Once an eave overhang or soffit has ignited fire can spread onto the roof into the attic or onto and through the exterior wall. Roof eaves overhangs are a fire hazard but they can be protected with an encasement of fire resistant material. U b l p t e h is mo t s l e ive d c g o o. Stucco is often recommended as one of the best materials for boxing in hazardous eaves.

When you use option a or b above you will need to provide additional roof venting.