Roof Mounted Exhaust Fan Installation Detail

Relief and intake.

Roof mounted exhaust fan installation detail.

Duct already wrapped in insulation at home centers. Axial fans and roof mounted extract fans the indicated values are determined by measuring the sound pressure level and sound power in db a obtained in a free field at a distance equivalent to twice the size of the fan plus the impeller diameter with a minimum of 1 5 m. Rectangular transitions offsets and elbows. Primary secondary chilled water instrumentation diagram.

Pipe sleeve thru floor slab or wall. Package dircet drive propeeler type wall mounted fan. Although this isn t always possible in attic crawl spaces you should always insulate the duct to prevent condensation problems. Make sure you have all of the accessory items and that they are also damage free.

Check for and retighten any bolts or screws that may have become loosened. The best exhaust fan venting is through smooth rigid ducts with taped joints and screwed to a special vent hood. Piping penetration at wall. Wall bottom title fan frame seccure fan motor mount blades blocking frame to wire guard motor mount building wall exhaust air duct duct collar connection neoprene pad concrete base roof slab flexible top of parapet see architectural drawing for roof construction and flashing counterflashing for fan details and other.

Radial roof exhaust fan detail. You can find 4 in. Then turn the blower wheel by hand to make sure that it is able to rotate freely.