How To Stop Leaks In Roof Valley

The best way to find and stop the roof leak is to start over and roof the valley the right way.

How to stop leaks in roof valley.

The solution begins with good flashing since this should stop leaks from rainfall and might stop the leaks from ice dams as well. Push the shingle or plywood into the tar and trowel more roofing tar around the edges of the patch. In order to lay the flashing the shingles on the roof will have to be removed. We removed all old roofing material down to the original wood deck.

Clear any debris in the roof valley and surrounding area. Take measurements of your roof flashing most flashing is 14 inches wide but yours may vary. And that s what we ve done here montgomery s old cloverdale neighborhood. Missing ice water shield.

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. Begin by removing the shingles down to the wood sheathing and slip a strip of adhesive ice and water barrier available where roofing repair products are sold under the soffit main roof joint. 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. 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.

Then installed a layer of gaf storm guard underlayment and 20 valley flashing. During long dry spells leaves and perhaps other debris gather in the valleys. Trowel the roofing tar into the leak on the underside of the roof deck using a putty knife. 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 roof tiles along the sides of the valley also help in trapping the debris. How to fix roof valley leaks. Re shingle roof valleys install ice and water shield under shingles or install metal roof flashing and re shingle the valley. Eventually water pools behind the dam and works its way back up under the shingles and under the soffit until it finds an opening through the roof.