Patching A Roof Valley

Move to the highest end of the valley and work your way down cleaning.

Patching a roof valley.

Follow these three preparatory steps to get ready to fix the valley leak. 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. Start at the upper row of shingles at the upper end of the. 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.

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. Clear any debris in the roof valley and surrounding area. Typical valley flashing is 14 inches wide. Position an extension ladder against the lower edge of the roof near the valley that is repaired.