Patching A Roof 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.

Patching a roof valley.

Start at the upper row of shingles at the upper end of the. Follow these three preparatory steps to get ready to fix the valley leak. Typical valley flashing is 14 inches wide. 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.

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. Clear any debris in the roof valley and surrounding area. Position an extension ladder against the lower edge of the roof near the valley that is repaired. Measure the width of the sheet metal valley flashing.