Install Bathroom Vent Thru Roof

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Install bathroom vent thru roof.

For optimum performance locate it between the shower and the toilet. 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. Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic.

From inside the attic drive a nail through the roof directly above the bathroom vent fan. You mount a switch in each bathroom. Cut the hole overhead in the ceiling following the manufacturer s instructions. This system is quiet too.

This involves running ductwork from the fan usually though an attic and out through the roof. Draw a mark on the bathroom ceiling where you d like to install the vent fan. How to vent a bath fan through the roof 1. Choosing a whole house fan.

A single exhaust exits through the roof figure a. Depending on the location of the bathroom it may be easy to vent the exhaust fan through the roof. Slide a flat pry bar underneath the. Install the vent into the ceiling.

With the pipe in a vertical position trace around the pipe using a pencil. It is because of this that many builders tend to advise against this method. Nail the lower corners with roofing nails and tar the heads. A grille in each bathroom attaches to ducts which then fasten to a y connector at the fan.

Position the vent pipe up to the bottom of the roof. Slide the vent under the shingles so they cover the top half of the vent flange. Each bath fan should be on a separate 4 or larger duct and the outside vent portion must have a baffle damper to prevent anything from coming into the duct work. Apply a bead of asphalt roof cement on the bottom of the vent.

Go into your attic. The penetration will be oval to have a round pipe exit vertically through a pitched roof you need an oval hole in the roof. Any person competent in installing an outside vent either thru the roof soffit or gable hip end of the house thru the siding. Climb into the attic and clear away any insulation from around the hole.

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