Metal deck openings are reinforced with four number four trim bars placed along all four sides, typically spaced two feet out from the opening edges. Maximum opening dimensions are governed by design tables, with sizing measured parallel to the deck flutes up to a maximum of twenty-four inches.
#4 TRIM BAR (4) SIDES 2'-0" TYP. PER TABLE MAX. D DECK FLUTES 24" MAX. MEASURED PARALLEL TO
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