The Ontario Building Code | Joints in Top Plates
184.108.40.206. Joints in Top Plates
(3) Joints in single top plates used with loadbearing walls shall be tied in accordance with Sentence (4).
(4) Ties referred to in Sentences (2) and (3) shall be the equivalent of not less than 75 mm by 150 mm by 0.91 mm thick galvanized steel nailed to each wall with at least three 63 mm nails.
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