Fire Rated Roof Eaves

Eaves without suffixes or with rt are for rafter and truss installation where spacing is commonly imprecise.

Fire rated roof eaves.

This article describes products research on self closing soffit eaves ridge vents designed to reduce or stop the passage of embers into the roof cavity of a building through the building eaves or ridge during exposure of a building to nearby heat and fire from a forest fire brush fire or adjacent building fire. Everything you wanted to know about fire rated construction but were afraid to ask. Where when and how to determine if you need it. Many of our eaves use a drop in style with wings that can be adjusted to your material and cut out size and are horizontally oriented.

Eaves are the overhanging ledges of a roof and are usually diagonal. 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. The eave is the part of the roof that extends out beyond the exterior wall. If exterior rated fire retardant products were used in the assembly plywood sheathing 2x rafter tails and blocking the assembly would comply because ignition resistant materials were used.

An eave typical page 2 of 3 09 08 home builder s guide to construction in wildfire zones fs no. Self closing ridge soffit eave vents for fire protection.