Minimum Roof Pitch Ontario

Required eave protection 1 except as provided in sentence 2 eave protection shall be provided on shingle shake or tile roofs extending from the edge of the roof a minimum of 900 mm up the roof slope to a line not less than 300 mm inside the inner face of the exterior wall.

Minimum roof pitch ontario.

There is no fabrication of roof trusses required. They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. Simply put pitch is expressed as rise over run just as the grade is simply this fraction expressed as a percentage. Which is the easiest shed roof pitch to build.

Basically low slope standing seam metal roof is the kind of rooftop used on low slope pitches. 2 asphalt and gravel or coal tar and gravel roofs may be constructed with lower slopes than required in sentence 1 when effective drainage is provided by roof drains located at the lowest points on the roofs. Metal roof experts in ontario toronto canada. In my view it has to be the flat roof with a nominal slope.

Importance of a roof pitch. Roof framing suggestions canadian guidelines. Asphalt shingles continue to be the most widely installed roof covering option in north america. The roof joists can be fixed spanning directly between wall plates.

So you would need to pick the right option as most regular standing seam metal roofs will require a roof pitch of 2 12 or even 3 12 at a minimum. Let s first define the terms. Framing any roof but particularly a gable roof low slope roof and cathedral ceilign roofs requires collar ties rafter ties and possibly a structural ridge beam to support the roof and to. There are some standing seam metal roofing options available from atas and other manufacturers that can be installed on a roof with pitch of 1 12.

I always recommend at least a minimum pitch of 1 in 40. 2 see sentence 9 26 3 1 3. The ontario building code required eave protection 9 26 5 1. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.

A 4 12 pitch being 4 inches of vertical rise over one foot or 12 inches of horizontal run. The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run. In roofing it is expressed in inches of vertical rise over inches of horizontal run. This article excerpts from provides copies of roof framing suggestions from canadian building codes and the cmhc wood frame house construction guide.

Blog minimum slope for standing seam metal roof. However you can only use this pitch with built up roofing or specialized synthetic roofing. You could also opt for a pvc flat roofing membrane. The chief reason for having a roof pitch is to redirect water and snow away from the roof and avoid any percolation that might result from stagnation of water on the roof.

The minimum roof pitch is also subject to the standards set forth by the various building codes used in the respective regions. 3 profiled metal roof cladding systems specifically designed for low slope applications are. 1 see sentence 9 26 3 1 2. My reasoning for this is that all that is required is a simple beam.

Notes to table 9 26 3 1.