Patching A Roof Valley

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.

Patching a roof valley.

Start at the upper row of shingles at the upper end of the. Clear any debris in the roof valley and surrounding area. A properly flashed roof valley should have an ice and water shield installed with roofing felt being properly secured over the ice and water. Move to the highest end of the valley and work your way down cleaning.

If you find that this is a problem then you will need to repair your roof valley before anything serious happens such as plaster loss or even major water damage. A lead valley is a particularly difficult item to dispose of as lead is toxic and so a repair may involve simply patching up your lead roofing. Take measurements of your roof flashing most flashing is 14 inches wide but yours may vary. Typical valley flashing is 14 inches wide.