A rooftop mechanical unit sits on a prefabricated metal curb secured to the leveled roof, utilizing wood nailers and blocking. A neoprene gasket supplied with the curb cushions the unit base, which is secured directly to the top of the curb. Counter flashing and exterior flashing wrap the curb assembly, with rigid insulation integrated into the wall cavity. A duct extends downward through the roof assembly alongside the interior blocking.
CURB SECURED TO ROOF PRE-FABRICATED CURB RIGID INSULATION WITH BLOCKING, SEE ARCH. DRAWING DUCT DOWN WOOD NAILER FACTORY SUPPLIED LEVELED ROOF SEE ARCH. DRAWING UNIT BASE, SECURE TO CURB COUNTER FLASHING NEOPRENE GASKET SUPPLIED WITH CURB FLASHING SEE ARCH. DRAWING UNIT FOR ANCHORAGE DETAIL, SEE STRUCTURAL DWG. NO SCALE 15 ROOFTOP MECH. UNIT MOUNTING
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