The Ontario Building Code | Grade
9.26.9.2. Grade
(1) Western cedar shingles shall be not less than No. 2 grade.
(2) Eastern white cedar shingles shall be not less than B (clear) grade.
9.26.9.2. Grade
(1) Western cedar shingles shall be not less than No. 2 grade.
(2) Eastern white cedar shingles shall be not less than B (clear) grade.
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