A roof air intake and relief hood assembly features a removable weatherproof housing set over a continuous bird screen. A motorized damper sits within the duct opening directly below the hood. The unit is supported on a standard curb base fastened per manufacturer's recommendations. Flashing and roofing connections are coordinated with architectural drawings.
MOTORIZED DAMPER DUCT ROOF REMOVABLE WEATHERPROOF HOUSING CONTINUOUS BIRD SCREEN STANDARD CURB BASE, FASTEN PER MANUFACTURER'S RECOMMENDATIONS. REFER TO ARCH DWGS FOR ROOFING DETAILS. REFER TO ARCHITECTURAL DETAIL 6 / A510 FOR EQUIPMENT CURB DETAIL WITH HEIGHT
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