Remove the shingles that would be affected by the vent.

How to install roof vent cap. Pull back the shingles and underlayment on the sides so you can set the flange. After the vent is installed you need to further weatherproof it by sealing the edges with the roofing tar. It is important to caulk the underside of the roof vent flange prior.

Make sure you leave at least 6” of space between the top of the flue and the cap. As i said above, the very first step in installing a bathroom fan roof vent is. Take a knife with a hook blade and cut through any caulk or tar.

Pry out nails holding shingles above the jack. Replace roof vent cap, installing roof vents video, how to install roof. Installing roof vent cap, rain cap on roof, replacing roof vents for.

Brush on a second layer of tar over the edges of the vent. Slide the top edge of the vent underneath the shingles. Push it down into the chimney flue until tight.

Utility knife with a hook blade. (the nail will either drive directly through the roof or pop a shingle that’s easy to. After cutting the roof hole, the duct hose will need to be connected to the roof vent cap using a duct connector.

Drive a nail through your roof to mark the spot for the vent. First, from inside the attic, your roofer will drive a nail through the roof structure to mark spots for the vents. Set the vent in position.