Gable Roof Lookouts

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.

Gable roof lookouts.

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. A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load. 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. Then a 2 4 outlooker is placed over the dropped gable and butted into the side of the adjacent full height truss.

The original gable roof lookout was built in 1932 and replaced with a standing flat roof in 1964. It is a waterproofing layer made of regular felt stacked above the solid. Typically in a more conventional roof you d support the barge with lookouts but in this situation there are 2 rafters outside the walls on each side 3 overhang 2 oc rafters so lookouts don t make sense if they ever do with i joist construction so best i can tell is that the rim fascia is supporting the outer two rafters. The procedure for erecting a simple gable roof.

A horizontal timber or metal resting at the peak of the roof the rafters and trusses are connected to the ridge board for a cohesive framework. Then the barge or fly rafter is attached to the end of the cantilevered outlooker.