A standard triangular roof known as a gable roof is framed using rafters which are diagonal members that support the roofing materials.
Gable roof with cathedral ceiling.
Contributing editor scott mcbride replies.
Vaulted ceilings can create height for a feature fireplace.
How to frame a gable roof with no ceiling.
Nikilesh havel a great design idea for making the most of high vaulted ceilings is the inclusion of a feature fireplace.
To avoid these problems in a structure with a cathedral ceiling it helps to understand how a typical roof frame works.
Each truss is composed of two opposing rafters and a ceiling joist.
Cut and insert 1 or thicker high r foam insulation sheets r 8 per inch against the furring giving a 1 or greater air path between the insulation and the roof deck under the cathedral ceiling.
The simple 6 12 gable roof is composed of actual 2x6 rafters 24 oc sheathed with 1 2 plywood and covered with asphalt shingles.
Nail 1 furring along every rafter side against the roof deck.
How to frame a gable roof without ceiling joists.
There is no insulation in the ceiling and i suspect little to no effective insulation in the 2x4 walls.
A gable roof is a heavy structure and if you want to prevent your roof from collapsing you ll have to frame the structure correctly.
A plain flat ceiling gable is actually a procession of light trusses usually spaced 16 in.