2 select and prepare your site.
How to install roof mounted exhaust fan.
Pull the plug from the wall.
Step 1 mount the vent as close to the center of the house as possible.
Simply cut an opening in the roof typically near the peak and install the fan over the opening.
Apply a bead of asphalt roof cement on the bottom of the vent.
1 inspect your equipment.
Use a tape measure to determine the diameter of your fan or check the manufacturer s specifications.
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.
Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof.
Before installing your roof mounted exhaust fan inspect the equipment for any interior or.
If you have access to the attic the fan can vent either through a gable wall or roof.
Then shingle above and.
How to install a roof mounted exhaust fan.
The pilot hole you drilled should be in the center of the circle.
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.
Draw a circle on the roof matching the diameter of your fan.
Nail the lower corners with roofing nails and tar the heads.
Slide the vent under the shingles so they cover the top half of the vent flange.
Unscrew the wire nuts that attach the fan wires to the box.
3 curb and.
Remove the cover from the box using a screwdriver.
Avoid venting through a soffit vent or ridge vent.