Gable Roof Framing Cathedral Ceiling

To avoid these problems in a structure with a cathedral ceiling it helps to understand how a typical roof frame works.

Gable roof framing cathedral ceiling.

In conventional gable roof framing the slope of the roof is formed by rafters that run diagonally downward from the peak of the roof to the tops of the exterior walls of the building. The gable truss should be the same scissor profile as the common scissor. Contributing editor scott mcbride replies. Each truss is composed of two opposing rafters and a ceiling joist.

The simple 6 12 gable roof is composed of actual 2x6 rafters 24 oc sheathed with 1 2 plywood and covered with asphalt shingles. 406mm o c or support more than a roof and ceiling or exceed 8 feet 2438 mm in height for exterior walls and load bearing walls or 10 feet 3048 mm for interior non load bearing walls. A plain flat ceiling gable is actually a procession of light trusses usually spaced 16 in. If you are framing a cathedral ceiling there are a couple ways to deal with the need for rafter ties.

A standard triangular roof known as a gable roof is framed using rafters which are diagonal members that support the roofing materials. These horizontal framing members tie a building s outer walls together and resist the outward force exerted by the roof rafters in conventional framing. But a gable roof also requires some form of horizontal. The trick in framing a vaulted ceiling is figuring out what to do with the ceiling joists.

The most common tension tie observed in roof framing for a conventionally framed gable roof is the ceiling joist that forms the bottom chord of the roof triangle shown below. Studs shall be continuous from a support at the sole plate to a support at. Old cottage cathedral ceiling i have a 50 year old seasonal cottage in a northern climate. There is no insulation in the ceiling and i suspect little to no effective insulation in the 2x4 walls.