How To Fix A Roof Valley

Move to the highest end of the valley and work your way down cleaning shingles from both sides of the valley whether they re damaged or not.

How to fix a roof valley.

If you have a roof leak it may well be through the valley. Take measurements of your roof flashing most flashing is 14 inches wide but yours may vary. 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.

Cut each side of the flashing at the lower end to conform with the corresponding edges of the roof using sheet metal cutters. A properly flashed roof valley should have an ice and water shield installed with roofing felt being properly secured over the ice and water. The roofing nails are fine so long as the lead of the roof valley is intact but once it starts to crack or fracture due to water pressure corrosion or other damage the nail provides a space for water to run into the home. The right thing to do here is to pull a valley basically pull a valley apart and rebuild it.

The shingles on the second layer are then cut ideally creating a clean line down the center of the valley. This video shows the traditional and best way to repair a lead valley on a roof. This is where two parts of the roof join. Follow these three preparatory steps to get ready to fix the valley leak.

And you can tar it but it s a real stop gap band aid like measure. This method of lead valley repair is proven to not only be fast and safe wit. Step 2 remove the shingles. I have my valley custom made with water trough to help with leaking b.

Cut each side at the upper end of the valley to conform with the. The top joinery of both valleys when they meet on the same plane of roof is shown here. This video shows the full repair from removing leaded va. A chalk line can be used to guide you as you cut the shingles.