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Over Metal Deck w/ Rigid Insulation |
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Construction No. 577 |
24 gauge metal deck is required. Rigid insulation, plywood or OSB and gypsum wallboard are optional. |
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Over Purlins & Joists |
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Construction No. 583 |
24 gauge panels. Blanket insulation up to 6" thick is optional. |
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Over Wood Deck |
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Construction No. 576 |
24 gauge panels. 5/8" plywood or OSB is required. |