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Ontario Building Code - definition of pitched roof

Ontario Building Code - definition of pitched roof

Ontario Building Code - definition of pitched roof

(OP)
Hi all,Can someone please tell me the angular limit between a flat and pitched roof as defined by the OBC, or maybe the National Building Code?I'm told that in the US it is up to and including 5 degrees.  Is it the same in Ontario?Thanks.

RE: Ontario Building Code - definition of pitched roof

Is this a roofing (ie membrane) question?

RE: Ontario Building Code - definition of pitched roof

The OBC differentiates between slopes of 1 in 3 or greater vs. slopes less than 1 in 3 for the application of asphalt shingles. There are also many references for roof slopes ranging from 1 in 50 to 1 in 3 related to roofing types and slope limits. Refer to section 9.26 of the OBC for Slope Limits related to Roofing Types.

If it is a structural issue you are referring to, there would be virtually no difference between a roof of say ... 2 degrees, 5 degrees, or 10 degrees.

 

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