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