How To Install Roof Vent Bathroom Fan

Use an extra long 3 8 inch diameter spade bit to bore a reference hole through the ceiling and into the attic.

How to install roof vent bathroom fan. Then drill a hole on the roof top. Venting means that after air from the bathroom is drawn into the exhaust fan it is blown through a connected flexible duct and out of the house through a hole in the side of the house or roof. Climb into the attic and clear away any insulation from around the hole. Center the nail between.

To vent a bath fan through the roof you must first prepare a ductwork connecting the roof top to the bathroom. How to vent a bath fan through the roof 1. For optimum performance locate it between the shower and the toilet. Since this is a new installation not a replacement your bathroom will not have ducting.

Nail the lower corners with roofing nails and tar the heads. Slide the vent under the shingles so they cover the top half of the vent flange. Apply a bead of asphalt roof cement on the bottom of the vent. From inside the attic drive a nail through the roof directly above the bathroom vent fan.

Slide a flat pry bar underneath the. Table of contents hide. The lower half of the flange sits on top of the shingles. Draw a mark on the bathroom ceiling where you d like to install the vent fan.

Slide clamps over the flexible duct at both the roof cap and the fan housing then slip the clamps over the tailpieces. Choosing a whole house fan.