How To Install Roof Mounted Exhaust Fan

2 select and prepare your site.

How to install roof mounted exhaust fan.

Apply a bead of asphalt roof cement on the bottom of the vent. Roof fans are mounted on plastic or sheetmetal bases that serve as flashing. Nail the lower corners with roofing nails and tar the heads. Avoid venting through a soffit vent or ridge vent.

The next step in installing your restaurant kitchen exhaust fan is to select and. How to install a roof mounted exhaust fan. Pull the plug from the wall. Remove the cover from the box using a screwdriver.

Then shingle above and. Use a tape measure to determine the diameter of your fan or check the manufacturer s specifications. 3 curb and. The pilot hole you drilled should be in the center of the circle.

Mount it as near to the roof ridge without it being visible from the front of the house. If you have access to the attic the fan can vent either through a gable wall or roof. Step 1 mount the vent as close to the center of the house as possible. Alternatively the fan will be wired into a control box.

Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof. Simply cut an opening in the roof typically near the peak and install the fan over the opening. The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent. The lower half of the flange sits on top of the shingles.

Before installing your roof mounted exhaust fan inspect the equipment for any interior or. Unscrew the wire nuts that attach the fan wires to the box. Slide the vent under the shingles so they cover the top half of the vent flange.