This roof deck opening detail shows a maximum one-foot four-inch opening reinforced with a three-by-two by one-quarter inch angle three feet eight inches long centered on the opening. Three one-half inch self-drilling screws fasten the deck into two valleys on each side of the opening.
1'-4" MAX EACH WAY ROOF DECK OPENING < 16" (3) 1/2" SELF DRILLING SCREWS IN (2) VALLEYS EACH SIDE OF OPENING L3x2x1/4x3'-8" LLH CENTERED ON OPENING
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