If the lower section of the roof rafters or rafter tail extends beyond the exterior wall the projection forms an overhang or.
Gable roof lookouts.
My original plywood template of the roof surface gave me the prow length 3.
A gable roof consists of two sloped planes that meet at the ridge or peak and rest on the top plates of 2 parallel exterior walls.
Section 2 1 3 4 c states rake overhangs shall not exceed the lesser of one half the purlin length or 2 feet and makes an exception for rake overhangs using lookout blocks which shall not exceed 1 foot design of gable rake overhangs may also have an impact on the design of the framing of the gable below.
After the gable is framed lookouts extend from the first rafter inside the gable wall out over the plates to support the overhanging barge rafter.
Framing a dropped gable wall one of the keys to framing the rake with my system is building a dropped gable end wall the top of which is 3 1 2 inches below the tops of the rafters.
This can be from two causes.
In wood frame construction the primary structural members of a gabled roof frame are the ridge board and the rafters.
The procedure for erecting a simple gable roof.
The other common wind related failure at gable ends is uplift of the roof decking at the overhang.
Uplift of roof decking at the overhang.
I also knew the vertical rise.