The Ontario Building Code | Lumber Dimensions
9.3.2.6. Lumber Dimensions
(1) Lumber dimensions referred to in this Part are actual dimensions determined in conformance with CSA O141, "Softwood Lumber".
9.3.2.6. Lumber Dimensions
(1) Lumber dimensions referred to in this Part are actual dimensions determined in conformance with CSA O141, "Softwood Lumber".
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