Minimum Roof Pitch Ontario

This article excerpts from provides copies of roof framing suggestions from canadian building codes and the cmhc wood frame house construction guide.

Minimum roof pitch ontario.

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. I always recommend at least a minimum pitch of 1 in 40. Roof framing suggestions canadian guidelines. 1 see sentence 9 26 3 1 2.

Basically low slope standing seam metal roof is the kind of rooftop used on low slope pitches. 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. In roofing it is expressed in inches of vertical rise over inches of horizontal run. Which is the easiest shed roof pitch to build.

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. There are advantages and disadvantages to having a steep pitch versus a shallow or low pitch. Metal roof experts in ontario toronto canada.

A 4 12 pitch being 4 inches of vertical rise over one foot or 12 inches of horizontal run. Let s first define the terms. 2 see sentence 9 26 3 1 3. Simply put pitch is expressed as rise over run just as the grade is simply this fraction expressed as a percentage.

Importance of a roof pitch. The ontario building code required eave protection 9 26 5 1. My reasoning for this is that all that is required is a simple beam. Asphalt shingles continue to be the most widely installed roof covering option in north america.

There is no fabrication of roof trusses required. The minimum roof pitch is also subject to the standards set forth by the various building codes used in the respective regions. 2 eave protection is not required. In my view it has to be the flat roof with a nominal slope.

3 profiled metal roof cladding systems specifically designed for low slope applications are. The roof joists can be fixed spanning directly between wall plates. You could also opt for a pvc flat roofing membrane. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.

Notes to table 9 26 3 1. They provide excellent weather resistance great value and now more than ever a tremendous range of beautiful designs and color blends. The minimum pitch for a roof is 1 4 12 which translates to 1 4 inch rise to 12 inches of run. 17 jul the text will explain what is considered the minimum slope for standing seam metal roof.

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.