How To Replace Metal Roof Vent

They are designed to keep water from entering the building by creating a water tight seal around the pipe.

How to replace metal roof vent.

Carefully pry up the shingles around the roof jack using a flat pry bar. Remember to allow for the lip on the vent mechanism that will fit over the opening and rest on the surface of the roof. Seal the roofing membrane by applying silicone caulking in the area where the roofing membrane comes in contact with the pipe. Remove any roofing nails and slide out the shingles.

This is a common area of any roof where the majority of leaks come from so its always good to know how to repair it when necessary. Slide a new roof jack sized to fit your vent pipe over the pipe. Slide the vent under the shingles so they cover the top half of the vent flange. Remove the metal straps that secure the upper and lower portions of the vent pipe to the roof and ceiling framing with a nail bar and hammer.

Pry up the old jack and remove it by pulling it up over the vent pipe. Center the pipe in the flashing and push the flexible front corners up or down so that the flashing pipe is parallel to the vent pipe. Record those measurements on a notepad. Measure the body of the vent.

However over time they will begin to tear and gap. Choosing a whole house fan. Insert the rubber gasket through the pipe. I first advise that if you are not comfortable on a roof or if the pitch of the roof the steepness is to great y.

Drive the forks of the bar beneath the heads of screws. Slide the new flashing over the vent pipe and under the shingles above the pipe. Apply silicone caulking around the area where the vent pipe penetrates the roof. Most times roof boots are built into the flashing that covers pipe vents.

Insert the roofing membrane with the backing removed through the pipe. Nail the lower corners with roofing nails and tar the heads. Most metal shingles will be attached to the roof using metal shingle. Roof boots are built to maintain their water tight seal even in the most extreme weather conditions.

Pull the old flashing up over the vent pipe and scrape any old caulk and debris off the roof. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Using the tape measure determine the size of the cut into the roof that will be necessary to insert the vent into the space. Apply a bead of asphalt roof cement on the bottom of the vent.