| 9.29.8. |
Insulating Fibreboard Finish |
| 9.29.8.1. |
Material Standard
- Insulating fibreboard shall conform to CAN/ULC-S706.1, "Wood Fibre Insulating Boards for Buildings."
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| 9.29.8.2. |
Thickness
- Insulating fibreboard sheets shall be not less than 11.1 mm thick on supports not more than 400 mm o.c.
- Insulating fibreboard tile shall be not less than 12.7 mm thick on supports spaced not more than 400 mm o.c.
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| 9.29.8.3. |
Nails
- Nails for fastening fibreboard sheets shall be not less than 2.6 mm shank diameter casing or finishing nails of sufficient length to penetrate not less than 20 mm into the supports.
- Nails shall be spaced not more than 100 mm o.c. along edge supports and 200 mm o.c. along intermediate supports.
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| 9.29.8.4. |
Edge Support
- All fibreboard edges shall be supported by blocking, furring or framing.
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