How To Repair A Leaky 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.

How to repair a leaky roof valley.

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. And you can tar it but it s a real stop gap band aid like measure. 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.

Take measurements of your roof flashing most flashing is 14 inches wide but yours may vary. Roof valleys are prone to leaking and are a well known weak spot on older roofs. Insert the bar under a shingle and pry upward at a. How much it costs to repair or replace a roof valley will depend on what it s made from.

This video shows the traditional and best way to repair a lead valley on a roof. Start at the upper row of shingles at the upper end of the valley. 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.

The right thing to do here is to pull a valley basically pull a valley apart and rebuild it. Snow removal if you ve had a heavy snow and your home is prone to ice dams you can remove snow from your roof using. If you re not sure what a roof valley looks like check out the photos on this page. Insulation insulation is a preventative measure to reduce heat loss through the ceiling into your attic.

Clear any debris in the roof valley and surrounding area. You may want to carefully measure the flashing and only lift up as many shingles as you need to get that into the roof or you may want to lift up a number near to the valley in order to ensure that the roof is fully protected in the future.