Use a tape measure to determine the diameter of your fan or check the manufacturer s specifications.
How to install roof mounted exhaust fan.
Then get on the roof and draw the circle around the pilot hole with a piece of chalk.
1 inspect your equipment.
The pilot hole you drilled should be in the center of the circle.
Slide the vent under the shingles so they cover the top half of the vent flange.
Pull the plug from the wall.
Nail the lower corners with roofing nails and tar the heads.
Remove the cover from the box using a screwdriver.
Draw a circle on the roof matching the diameter of your fan.
The lower half of the flange sits on top of the shingles.
If you have access to the attic the fan can vent either through a gable wall or roof.
How to install a roof mounted exhaust fan.
Avoid venting through a soffit vent or ridge vent.
Mount it as near to the roof ridge without it being visible from the front of the house.
3 curb and.
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.
2 select and prepare your site.
Then shingle above and.
The next step in installing your restaurant kitchen exhaust fan is to select and.
Simply cut an opening in the roof typically near the peak and install the fan over the opening.
Before installing your roof mounted exhaust fan inspect the equipment for any interior or.
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.