Roof Exhaust Fan Installation Details

Fan, always install a roof cap or wall cap.

Roof exhaust fan installation details.

(the nail will either drive directly through the roof or pop a shingle that’s easy to spot) on the topside of the roof. For fan details and other accessories required see equipment schedules and specifications. Always keep the fan discharge, and approaches to the ventilator, clean and free from any obstruction.

Install light bulbs (supplied by others), light globes, and grease filters in the hood. Exhaust collar and the roof curb cap must be welded to the exhaust duct. Start in the attic and drill a hole through the roof in the desired vent location.

First, from inside the attic, your roofer will drive a nail through the roof structure to mark spots for the vents. Try to keep it close to the fan location. For fan details and other accessories required see equipment schedules 5.

Curb flanges should be caulked to roof. Leave the drill bit sticking through the roof so you can find the hole. Threaded rods should be 1/2 closer to the back wall at the top hanger so as to pull the hood against the wall.

Fan until the electrical supply as been completely disconnected. Connect rigid round metal ductwork to the roof cap and work back towards the hood location. Exhaust fan installation installing an exhaust fan requires electrical connections and ventilation to the exterior of your home.

Each fan shall bear a permanently. Ceiling mounted fans typically use ducts hidden in the walls, ceiling, or attic to reach a safe exit point on the roof or a wall. Make sure the hood is level.