Fire Rated Roof Eaves

Where when and how to determine if you need it.

Fire rated roof eaves.

Eaves without suffixes or with rt are for rafter and truss installation where spacing is commonly imprecise. 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. The eave is the part of the roof that extends out beyond the exterior wall. Eaves are located at the down slope edge of a sloped roof and serve as the transition between the roof and fascia wall.

An eave typical page 2 of 3 09 08 home builder s guide to construction in wildfire zones fs no. 6 eaves overhangs and soffits panels are vulnerable to damage from wildfires. If noncombustible materials fiber cement panel stucco were used as. 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.

Everything you wanted to know about fire rated construction but were afraid to ask. 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.