How Torepair Shingles On Roof Vent

Slide the new flashing over the vent pipe and under the shingles above the pipe.

How torepair shingles on roof vent.

Hammer a roofing nail on each side of the shingle five inches from the bottom edges and one inch from the side edge. Overlap the shingles to cover the nails on the side edges and use roofing cement to cover the nail heads on the shingle at the end of the roof. Loosen the adhesive underneath the tabs of the damaged shingle then pull them free and discard. Start by removing the nails holding the ridge cap shingles in place.

There will be nails across the top of the vent too. Just remove them and replace them with new shingles of a similar style to the rest of the shingles on the roof. The cap shingles often are installed on top of a continuous ridge vent. Cut the ventilation opening.

Install new field shingles. Loosen and remove the damaged shingles. Slip a flat bar under the edge of the vent flashing and pop the nails up photo 1. This is an area of the roof which requires extra care and skill.

Pull the old flashing up over the vent pipe and scrape any old caulk and debris off the roof. The vent manufacturers make their products to match the size of the cap shingles so the caps cover the vent material leaving. Cut and bend a shingle to conform to the shape of the peak of the roof. If the shingles are severely damaged don t try to salvage them.

Patch the nail or screw holes by slipping a piece of roof flashing underneath the shingle. There are a number of key steps you need to take to avoid mucking this part up. Remove the shingle caps. Squeeze out a bead of caulk beneath the shingles on both sides of the vent to hold the shingles down and to add a water barrier.

Small nail holes left behind from old vents satellite dish brackets or anything previously attached to the roof can allow water to enter and cause damage for years before leaking is noticed. Usually you can also work those loose without removing shingles.