Div. B › Part 9 › 9.29 › 9.29.8 — Insulating Fibreboard Finish

9.29.8.2 — Thickness

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(1) Insulating fibreboard sheets shall be not less than 11.1 mm thick on supports not more than 406 mm o.c.
(2) Insulating fibreboard tile shall be not less than 12.7 mm thick on supports spaced not more than 406 mm o.c.
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