Install Bathroom Fan Duct Roof

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Install bathroom fan duct roof.

Center the nail between two rafters. From up on the roof use a jigsaw or reciprocating saw to cut a 4 in. Because the fan is in the attic you ll hardly hear it. Look for the special fans starting at 160 at heating cooling equipment dealers.

Try to keep it close to the fan location. In order to accomplish this the roof has to have a hole cut in it. From the roof find the nail and use the utility knife to cut roof shingles from around the nail. A grille in each bathroom attaches to ducts which then fasten to a y connector at the fan.

For a fan and light switch with existing wiring splice the white wires and connect the grounds securely with wire. To install a roof vent start by choosing a good location from inside the attic and then pound a nail all the way through the roof at that location so you can find the spot from outside. From inside the attic drive a nail through the roof directly above the bathroom vent fan. Start in the attic and drill a hole through the roof in the desired vent location.

If you don t have an attic duct see the installation steps later in these instructions. Connect power to both switches through two pigtails spliced to the feed wire. A single exhaust exits through the roof figure a. Learn the secrets to running anew exhaust line through the outside wall install a fan and connect the ducting and electrical.

Connect the red wire to one switch terminal and the black wire to the other terminal. It is because of this that many builders tend to advise against this method. Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof. This old house general contractor tom silva shows how to properly install a roof mounted bath fan vent.

Leave the drill bit sticking through the roof so you can find the hole. Secure a 4 inch duct to the duct connector with hvac tape or a clamp. After tracing the outline of the vent opening on the roofing cut through the shingles with a knife to expose the roof decking and then drill a hole for the vent with a hole saw or reciprocating saw. You mount a switch in each bathroom.

The duct should vent to the outside. Here is the link to th.