Attachment of Cladding
(1) Except as permitted in Sentences (2), (3) and (4), cladding shall be fastened to the framing members or furring members, or to blocking between the framing members.
(2) Vertical lumber and stucco lath or reinforcing are permitted to be attached to sheathing only where the sheathing consists of not less than,
(a) 14.3 mm lumber,
(b) 12.5 mm plywood, or
(c) 12.5 mm OSB or waferboard
(3) Vertically applied metal siding and wood shingles and shakes are permitted to be attached to the sheathing only where the sheathing consists of not less than,
(a) 14.3 mm lumber,
(b) 7.5 mm plywood, or
(c) 7.5 mm OSB or waferboard.
(4) Where wood shingles or shakes are applied to sheathing that is not suitable for attaching the shingles or shakes, the shingles or shakes may be attached to a wood lath not less than 38 mm by 9.5 mm thick securely nailed to the framing and applied as described in Article 9.27.7.5.
(5)-(7) Revoked: O. Reg. 88/19, s. 274 (2).
Article 9.27.5.1 Ontario Regulation 332/12 Building Code, Information published by oncodes.ca for educational purposes only.
