Pull the plug from the wall.
How to install roof mounted exhaust fan.
1 inspect your equipment.
The lower half of the flange sits on top of the shingles.
Apply a bead of asphalt roof cement on the bottom of the vent.
If you have access to the attic the fan can vent either through a gable wall or roof.
2 select and prepare your site.
Then shingle above and.
Slide the vent under the shingles so they cover the top half of the vent flange.
Nail the lower corners with roofing nails and tar the heads.
Roof fans are mounted on plastic or sheetmetal bases that serve as flashing.
Mount it as near to the roof ridge without it being visible from the front of the house.
The pilot hole you drilled should be in the center of the circle.
Before installing your roof mounted exhaust fan inspect the equipment for any interior or.
Simply cut an opening in the roof typically near the peak and install the fan over the opening.
Alternatively the fan will be wired into a control box.
Remove the cover from the box using a screwdriver.
The next step in installing your restaurant kitchen exhaust fan is to select and.
Use a tape measure to determine the diameter of your fan or check the manufacturer s specifications.
Avoid venting through a soffit vent or ridge vent.
How to install a roof mounted exhaust fan.
Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof.
Step 1 mount the vent as close to the center of the house as possible.
Unscrew the wire nuts that attach the fan wires to the box.
Then get on the roof and draw the circle around the pilot hole with a piece of chalk.