Install Bathroom Exhaust Fan Roof

You will need a partner for this step as you cannot see the ceiling from this position.

Install bathroom exhaust fan roof. You can use the existing switch wires and ductwork. Apply roofing adhesive on the underside of the flanges to seal. The next best location for a bath fan cap is a wall that s at least three to five feet from a roof overhang. Place the fan in the cut out hole so that the bottom edge of the fan is flush with the bottom of the ceiling drywall.

Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic. Attach the bathroom fan to the joist. Try to keep it close to the fan location. From up on the roof use a jigsaw or reciprocating saw to cut a 4 in.

For optimum performance locate it between the shower and the toilet. This system is quiet too. Sinnisjinsulator video includes how to and tips on attic bathroom fans and proper placement and insulation of exhaust hose. You mount a switch in each bathroom.

Start in the attic and drill a hole through the roof in the desired vent location. Draw a mark on the bathroom ceiling where you d like to install the vent fan. Climb into the attic and clear away any insulation from around the hole. A grille in each bathroom attaches to ducts which then fasten to a y connector at the fan.

Also it helps to get a fan that s the same size as your existing fan so you won t have to adjust the size of the ceiling hole. Use the information below to select a fan. The installation is easiest if you re replacing an existing fan. Access the attic and bring your light cordless drill screws and bathroom fan housing.

Install the roof vent install the roof vent by sliding the top flange under the shingles above it and resting the bottom flange on the shingles below. Leave the drill bit sticking through the roof so you can find the hole. A single exhaust exits through the roof figure a. Most roof overhangs today have continuous soffit ventilation strips.