Roof drainage configurations include a warped deck sloped to sumped roof drains and a mechanical unit curb with a cricket. The membrane assembly incorporates rigid insulation topped with a reinforced membrane secured by seam fastening plates and cut-edge sealant. A continuous sheet of reinforced membrane or coated metal wraps around the curb, finished with a metal cap or counter flashing fastened twelve inches on center with bonding adhesive.
INSTALL OUTSIDE CORNERS PER DETAIL RIGID INSULATION REINFORCED MEMBRANE CUT-EDGE SEALANT INSTALL PER MANUFACTURER SEAM FASTENING PLATE REINFORCED MEMBRANE BONDING ADHESIVE METAL CAP OR COUNTER FLASHING INSTALL PER MANUFACTURER FASTEN 12" O.C. USE ONE CONTINUOUS SHEET OF REINFORCED MEMBRANE TO WRAP AROUND CURB OR FORM FROM COATED METAL CRICKET SLOPE SLOPE WARPED DECK SUMPED ROOF DRAIN SLOPE SUMPED ROOF DRAINS MECHANICAL UNIT CURB OR SIM. SLOPE SLOPE SLOPE 1" = 1'-0" A402 6 ROOF DRAIN 1" = 1'-0" A402 10 ROOF DRAIN SECTION DETAIL
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