Pull back the shingles and underlayment on the sides so you can set the flange.

How to install roof vent cap. Remove the shingles that would be affected by the vent. As i said above, the very first step in installing a bathroom fan roof vent is. Again, here are the steps to install a roof vent:

Installing roof vent cap, rain cap on roof, replacing roof vents for. Slide the top edge of the vent underneath the shingles. Next, hammer in a nail every few inches.

There needs to be a 2 inch wide opening at the ridge for ventilation. Make sure you leave at least 6” of space between the top of the flue and the cap. Install profilevent ½” to 1”.

Pry out nails holding shingles above the jack. Set the vent in position. First, from inside the attic, your roofer will drive a nail through the roof structure to mark spots for the vents.

Take a knife with a hook blade and cut through any caulk or tar. Utility knife with a hook blade. (the nail will either drive directly through the roof or pop a shingle that’s easy to.

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. Push it down into the chimney flue until tight. Replace roof vent cap, installing roof vents video, how to install roof.