Fix Leaking Roof Valley Flashing

Plug pinholes with roofing cement and patch holes up to about 3 4 inch in diameter with a patch from the same material as the flashing.
Fix leaking roof valley flashing. The nail will provide a path for the water. And damaged flashing is behind most roof leaks. Metal flashing is used to divert water. Place the shingles to one side for use later.
When then take the lower pitched or smaller side the panel the receives the least amount of water and use that as our base. We lay an entire shingle across the valley. A properly flashed roof valley should have an ice and water shield installed with roofing felt being properly secured over the ice and water. Step 2 place a bucket underneath the nail to catch the water as it runs down the nail.
Cut each side of the flashing at the lower end to conform with the corresponding edges of the roof using sheet metal cutters. Step 3 lay the flashing. Roof vent pipes are common areas for roof leaks. Insert a nail in the hole where water is leaking through the roof.
We install 20 inch wide valley flashing on all of our roofs. 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. In either situation the leaking roof valley can be fixed by removing affected shingles and structural elements and upgrading your roof s flashing. Cut each side at the upper end of the valley to conform with the.
On our ultimate roof system we install self adhering ice and water underlayment under the valley metal. You may want to carefully measure the flashing and only lift up as many shingles as you need to get that into the roof or you may want to lift up a number near to the valley in order to ensure that the roof is fully protected in the future. The valley flashing laid over the joint where the two roofs meet should overlap the step flashing at least 2 in. First roughen the area around the hole with a wire brush or sandpaper and then clean it.
A flashing is a transitional roofing material that connects the roof material to some other building material or to another part of the roof. Removing the shingles in the valley area and preparing to install a rubber membrane a metal flashing was installed to give the rubber support for when people walk on the roof this will be the place where they step. Then reshingle sliding metal step flashing behind the fascia board the trim behind the gutter. If leaks continue to occur from ice dams consider installing roof edge heating cables.