After cutting the roof hole, the duct hose will need to be connected to the roof vent cap using a duct connector.

How to install roof vent cap. Replace roof vent cap, installing roof vents video, how to install roof. Set the vent in position. It is important to caulk the underside of the roof vent flange prior.

Pry out nails holding shingles above the jack. Pull back the shingles and underlayment on the sides so you can set the flange. Install profilevent ½” to 1”.

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. Slide the top and sides of your vent underneath the surrounding shingles and leave the bottom side of the vent exposed and laying over the shingles.

Utility knife with a hook blade. Take a knife with a hook blade and cut through any caulk or tar. After the vent is installed you need to further weatherproof it by sealing the edges with the roofing tar.

Brush on a second layer of tar over the edges of the vent. Installing roof vent cap, rain cap on roof, replacing roof vents for. First, from inside the attic, your roofer will drive a nail through the roof structure to mark spots for the vents.

Remove the shingles that would be affected by the vent. Slide the top edge of the vent underneath the shingles. (the nail will either drive directly through the roof or pop a shingle that’s easy to.