Installing Roof Vent For Bathroom Exhaust Fan

Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof.

Installing roof vent for bathroom exhaust fan.

Attach the drywall filler to a larger piece of wood set it in the hole and drive screws through the ceiling into the wood. If you have two bathrooms that are close together and one has an exhaust fan and the other doesn t you might be. Draw a mark on the bathroom ceiling where you d like to install the vent fan. Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic.

From the roof find the nail and use the utility knife to cut roof shingles from around the nail. The patched areas can be repaired with spackling later. Cut a piece of drywall to make the ceiling hole the right size for your fan. It is because of this that many builders tend to advise against this method.

Several different ways you can move that hot air to the outside. Each fan vents separately out the roof. 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.

We explain how to install bathroom exhaust fans or vents the vent ducting the vent termination at the wall soffit or roof vent fan wiring bath vent duct insulation bath vent lengths clearances routing and we answer just about any other bathroom ventilation design or installation question you may have. Slide the vent under the shingles so they cover the top half of the vent flange. In order to accomplish this the roof has to have a hole cut in it. For optimum performance locate it between the shower and the toilet.

Climb into the attic and clear away any insulation from around the hole. Each bathroom has its own exhaust fan. Nail the lower corners with roofing nails and tar the heads. This involves running ductwork from the fan usually though an attic and out through the roof.

Center the nail between two rafters. From inside the attic drive a nail through the roof directly above the bathroom vent fan. If the hole is too big you ll need to patch the ceiling. Another method a little bit better is if you have a gable style roof and a gable vent on one end of the house you can attach this to the back of a gable vent.

One in line centrifugal fan can be mounted in the attic to exhaust the moisture from two bathrooms.