Framing An Arched Roof

While most home builders will outsource the construction of roofing trusses the rafter supports of the roof itself learning to frame a roof yourself is one.

Framing an arched roof.

Framing a roof is the last step in framing new construction. First frame your barrel roof dormer up to the top plates in the conventional way but leave the roof sheathing and framing on the main house intact above the dormer top plates. The space that is created once an arched roof is installed is called a vault. An arched roof extends the structural capabilities of the arch by placing a roof over a series of parallel arches.

Here s the basic formula. Regardless of whether you cut out full arches or segments you will need to glue at least three layers of arch or arch segments together in order to make your final arch piece. Measure layout and cut two plywood arches that represent the top of your arched door opening. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle.

Apply glue to one side of a layer of arch segments and place the next player on top. Make rafters for the complete arch out of two layers of 3 4 in. With adequate reinforcement i e thick or buttressed walls an arch may even be load bearing. The run or half the building span is the base of the triangle.

Screw them together while the glue dries. Framing an arched roof wajidi october 9 2019 uncategorized no comments framing a barrel roof dormer fine farm show magazine the best stories curved bay roof framing contractor talk curved roof with bendable plywood. And the line length measurement from the roof peak to the building wall is the hypotenuse. In the previous building skills video scott grice demonstrated one way to measure and layout a plywood arch this week he shows how to create a curved doorway with two arched pieces of plywood.

The rise or height of the roof at its peak is the altitude of the triangle.