Fire Resistant Roof And Eave Detail

The roof is the most vulnerable part of your home.

Fire resistant roof and eave detail.

Homes with wood or shingle roofs are at high risk of being destroyed during a wildfire. For eave vents follow the guidance in vents. It says that eave protection can be obtained in one of three ways. For maximum protection against fire construct walls using type x gypsum wallboard covered with a thick layer of stucco cement a roof of fire resistant shingles with bird stops at the eaves little or no overhang and no soffit vents.

Build your roof or re roof with materials such as composition metal. To prevent heat buildup this house was constructed without eave overhangs which also eliminates soffit vents. An enclosed overhang with a horizontal soffit. As seen on this old house vulcan vents are designed to be fire and ember safe.

Low cost retrofit list roof. The main objective of the eave protection requirement is to stop fire from getting into the attic. In addition to all the design construction features and color choices of the o hagin standard line this patent pending attic vent features an interior stainless steel diffuser that breaks down wind driven rain and snow before it can enter the attic space. Protect your home s roof.

Roof eave fire resistance rating shall be permitted to be reduced to 0 hours on the underside of the eave if fire blocking is provided from the wall top plate to the underside of the roof sheathing. Noncombustible or fire resistant materials. An ember catching screen blocks dangerous embers during ember attacks long before the fire arrives. Embers and hot gases from fire exterior wall cladding fascia gutter rafter underside of roof deck figure 3.

Here are ways you can harden your home and make it more fire resistant. The best ventilation solution for tile roof applications in areas where rain or snow may be a concern. Once an eave overhang or soffit has ignited fire can spread onto the roof into the attic or onto and through the exterior wall. 10 low cost retrofits to your home.

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. Roofs are often the most vulnerable part of a house in a fire so it goes without saying that cedar shakes are out of the question even in urban areas.