How To Repair Roof Valley Flashing

A properly flashed roof valley should have an ice and water shield installed with roofing felt being properly secured over the ice and water.

How to repair roof valley flashing.

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. Measure the width of the sheet metal valley flashing. Move to the highest end of the valley and work your way down cleaning. Follow these three preparatory steps to get ready to fix the valley leak.

The right thing to do here is to pull a valley basically pull a valley apart and rebuild it. And you can tar it but it s a real stop gap band aid like measure. Roof valleys and flashing are simple yet critical components of any roof. Clear any debris in the roof valley and surrounding area.

And if they put a second layer of shingles on they brought it up the valley but they didn t replace the valley it s probably leaking and cracking and split. How to repair roof flashing small holes or corroded spots in flashing can be easily repaired. First roughen the area around the hole with a wire brush or sandpaper and then clean it. Make sure to hire a local reputable roofing contractor to inspect and repair your valley flashing and any other part of your roof.

Start at the upper row of shingles at the upper end of the. Poorly installed flashing and or valleys is one of the most common causes of roof leaks so it s important to hire a professional with. Position an extension ladder against the lower edge of the roof near the valley that is repaired.