A properly flashed roof valley should have an ice and water shield installed with roofing felt being properly secured over the ice and water.
Flex seal roof valley.
The following steps should.
Repairing a metal roof seam with turbo poly seal is simple and it is a do it yourself p.
If the ice and water shield is missing then you will have to remove the shingles on both sides along the valley put ice and water shield in place and re shingle the roof.
Use of a sealant to stop asphalt shingle leaks.
Flex seal spray rubber sealant coating 14 oz black.
Asphalt shingle leaks can be caused by a variety of things including folded shingles nail holes and flashing issues around corners chimneys or vents.
We also offer flex seal liquid a liquid form that can be poured brushed or rolled on with a paint roller.
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