How To Install Roof Mounted Exhaust Fan

The next step in installing your restaurant kitchen exhaust fan is to select and.

How to install roof mounted exhaust fan.

If you have access to the attic the fan can vent either through a gable wall or roof. Roof fans are mounted on plastic or sheetmetal bases that serve as flashing. Draw a circle on the roof matching the diameter of your fan. Simply cut an opening in the roof typically near the peak and install the fan over the opening.

Step 1 mount the vent as close to the center of the house as possible. Then get on the roof and draw the circle around the pilot hole with a piece of chalk. How to install a roof mounted exhaust fan. Before installing your roof mounted exhaust fan inspect the equipment for any interior or.

Then shingle above and. Slide the vent under the shingles so they cover the top half of the vent flange. 1 inspect your equipment. Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof.

Avoid venting through a soffit vent or ridge vent. The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent. Nail the lower corners with roofing nails and tar the heads. Unscrew the wire nuts that attach the fan wires to the box.

Apply a bead of asphalt roof cement on the bottom of the vent. Remove the cover from the box using a screwdriver. Alternatively the fan will be wired into a control box. Use a tape measure to determine the diameter of your fan or check the manufacturer s specifications.

The lower half of the flange sits on top of the shingles. The pilot hole you drilled should be in the center of the circle. Pull the plug from the wall.