9.27.5. |
Attachment of Cladding |
9.27.5.1. |
Attachment
- Except as permitted by Sentences (2) to (4), cladding shall be fastened to the framing members or furring members, or to blocking between the framing members.
- Vertical lumber and stucco lath or reinforcing are permitted to be attached to sheathing only where the sheathing consists of not less than
- 14.3 mm lumber,
- 12.5 mm plywood, or
- 12.5 mm OSB or waferboard.
- 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
- 14.3 mm lumber,
- 7.5 mm plywood, or
- 7.5 mm OSB or waferboard.
- Where wood shingles or shakes are applied to sheathing which is not suitable for attaching the shingles or shakes, the shingles or shakes are permitted to 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.
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9.27.5.2. |
Blocking
- Blocking for the attachment of cladding shall be not less than 38 mm by 38 mm lumber securely nailed to the framing and spaced not more than 600 mm o.c.
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9.27.5.3. |
Furring
- Except as permitted in Sentence 9.27.5.1.(4), furring for the attachment of cladding shall be not less than 19 mm by 38 mm lumber when applied over sheathing.
- When applied without sheathing, furring referred to in Sentence (1) shall be not less than
- 19 mm by 64 mm lumber on supports spaced not more than 400 mm o.c., or
- 19 mm by 89 mm lumber on supports spaced not more than 600 mm o.c.
- Furring referred to in Sentence (1) shall be
- securely fastened to the framing, and
- spaced not more than 600 mm o.c.
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9.27.5.4. |
Size and Spacing of Fasteners
- Nail or staple size and spacing for the attachment of cladding and trim shall conform to Table 9.27.5.4.
Table 9.27.5.4.
Attachment of Cladding
Forming Part of Sentence 9.27.5.4.(1)
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9.27.5.5. |
Fastener Materials
- Nails or staples for the attachment of cladding and wood trim shall be corrosion-resistant and shall be compatible with the cladding material.
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9.27.5.6. |
Expansion and Contraction
- Fasteners for metal or vinyl cladding shall be positioned to permit expansion and contraction of the cladding.
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9.27.5.7. |
Penetration of Fasteners
- Fasteners for shakes and shingles shall penetrate through the nail-holding base or not less than 19 mm into the framing.
- Fasteners for cladding other than that described in Sentence (1) shall penetrate through the nail-holding base or not less than 25 mm into the framing.
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