Acceptable methods for hanging loads from a minimum twenty-gauge metal roof deck using supplier-provided hangers. The top-left detail features a one-quarter-inch by four-inch plate washer supporting up to sixty pounds per flute with a single point load per bay. The top-right configuration uses an L3x3x1/4 angle secured with two number-eight self-drilling screws. The bottom-left option employs a one-quarter-inch by one-and-a-half-inch by one-and-a-half-inch plate washer limiting loads to thirty pounds per flute. The bottom-right setup uses two number-eight self-drilling screws directly through the deck flute for loads up to fifteen pounds. Suspended loads are restricted to decks with spans not exceeding seven feet and single spans under six feet, where a bay is defined as the area between beams or joists.
2" MIN 1/4"x4" PL HANGER BY SUPPLIER MTL ROOF DECK 60 lb MAXIMUM PER FLUTE (ONE POINT LOAD PER BAY) HANGER BY SUPPLIER MTL ROOF DECK 30 lb MAXIMUM PER FLUTE 60 lb MAXIMUM PER FLUTE (ONE POINT LOAD PER BAY) 15 lb MAXIMUM PER FLUTE 1/4"x1 1/2"x1 1/2" PL WASHER MTL ROOF DECK (2) #8 SELF DRILLING SCREWS, TYP L3x3x1/4 MTL ROOF DECK (MINIMUM 20 GAUGE DECK) (SUSPENDED LOADS FROM ROOF DECK ARE NOT PERMITTED FOR DECK SPANS GREATER THAN 7'-0" AND SINGLE SPANS GREATER THAN 6'-0") BAY IS DEFINED AS AN AREA BETWEEN BEAMS OR JOISTS (2) #8 SELF DRILLING SCREWS, TYP HANGER BY SUPPLIER HANGER BY SUPPLIER
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