Patching A Roof Valley

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.

Patching a roof valley.

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. 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.

Typical valley flashing is 14 inches wide. Follow these three preparatory steps to get ready to fix the valley leak. Measure the width of the sheet metal valley flashing. Position an extension ladder against the lower edge of the roof near the valley that is repaired.