A pipe sleeve passes through a corrugated metal roof deck and is flashed with an eighteen gauge plate secured by number ten sheet metal screws spaced at six inches on center each way. Sizing criteria varies based on pipe diameter, requiring a twelve inch square plate for pipe diameters under four inches, a twenty-four inch square plate for pipe diameters under eight inches, and a thirty-six inch square plate for pipe diameters under twelve inches.
PIPE SLEEVE 18 GA PLATE WITH #10 SHEET METAL SCREWS AT 6" O.C. EACH WAY METAL ROOF DECK PLAN VIEW 36" SQ. < 12"DIA 24" SQ. < 8"DIA 12" SQ. < 4"DIA
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