How To Install Roof Mounted Exhaust Fan

Unscrew the wire nuts that attach the fan wires to the box.

How to install roof mounted exhaust fan.

The pilot hole you drilled should be in the center of the circle. Draw a circle on the roof matching the diameter of your fan. Alternatively the fan will be wired into a control box. Nail the lower corners with roofing nails and tar the heads.

If you have access to the attic the fan can vent either through a gable wall or roof. 1 inspect your equipment. Mount it as near to the roof ridge without it being visible from the front of the house. The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent.

Simply cut an opening in the roof typically near the peak and install the fan over the opening. Use a tape measure to determine the diameter of your fan or check the manufacturer s specifications. Then get on the roof and draw the circle around the pilot hole with a piece of chalk. The lower half of the flange sits on top of the shingles.

Roof fans are mounted on plastic or sheetmetal bases that serve as flashing. The next step in installing your restaurant kitchen exhaust fan is to select and. Avoid venting through a soffit vent or ridge vent. How to install a roof mounted exhaust fan.

Slide the vent under the shingles so they cover the top half of the vent flange. Apply a bead of asphalt roof cement on the bottom of the vent. Pull the plug from the wall. 2 select and prepare your site.

3 curb and. Then shingle above and. Step 1 mount the vent as close to the center of the house as possible.