How To Repair Leaking Valley On Shingle Roof

Climb into the rafter below the roof with a good flashlight and look around for any water intruding through the roof.

How to repair leaking valley on shingle roof.

Follow these three preparatory steps to get ready to fix the valley leak. Step 2 remove the shingles. To disguise your repair look around the roof and in the gutter for accumulations of asphalt granules. Take measurements of your roof flashing most flashing is 14 inches wide but yours may vary.

In order to stop the leak in your roof you need to get to where the leak is. Insert the bar under a shingle and pry upward at a. Once the roof valley has begun to leak you will need to cover the valley with flashing in order to prevent a repeat of the problem. This video shows the traditional and best way to repair a lead valley on a roof.

Press the shingle down then apply another bead of sealant over the crack. Start at the upper row of shingles at the upper end of the valley. Collect a small amount then sprinkle them in the sealant to match its color to your shingles. How to repair a leaking shingle woven roof valley.

This method of lead valley repair is proven to not only be fast and safe wit. Step 1 locate the leak. Use a putty knife to spread the top bead over both edges of the crack. On the other panel we lay a shingle on top of the base shingle only nailing the side of the shingle furthest from the valley.

Step 2 tear down. 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. In order to lay the flashing the shingles on the roof will have to be removed. Remove 8 inches of shingles at each side of the valley with a 16 inch nail bar.

Move to the highest end of the valley and work your way down cleaning. A properly flashed roof valley should have an ice and water shield installed with roofing felt being properly secured over the ice and water.