Each truss is composed of two opposing rafters and a ceiling joist.
Gable roof with cathedral ceiling.
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.
A standard triangular roof known as a gable roof is framed using rafters which are diagonal members that support the roofing materials.
There is no insulation in the ceiling and i suspect little to no effective insulation in the 2x4 walls.
Vaulted ceilings can create height for a feature fireplace.
Nikilesh havel a great design idea for making the most of high vaulted ceilings is the inclusion of a feature fireplace.
Old cottage cathedral ceiling i have a 50 year old seasonal cottage in a northern climate.
The simple 6 12 gable roof is composed of actual 2x6 rafters 24 oc sheathed with 1 2 plywood and covered with asphalt shingles.
A plain flat ceiling gable is actually a procession of light trusses usually spaced 16 in.
How to frame a gable roof with no ceiling.
Nail 1 furring along every rafter side against the roof deck.
Contributing editor scott mcbride replies.
How to frame a gable roof without ceiling joists.
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.