Structural · IRC 2021 §R602.6.1
Top Plate Notching and Tie Strap
Top plate plan where piping cuts or notches more than 50 percent of the plate width: a 16 ga galvanized tie, 1 1/2 in wide, nailed each side and extending 6 in past the opening.. Referenced to IRC 2021 §R602.6.1.
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