How much it costs to repair or replace a roof valley will depend on what it s made from.
How to repair a leaky roof valley.
Start at the upper row of shingles at the upper end of the 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.
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.
Follow these three preparatory steps to get ready to fix the valley leak.
This method of lead valley repair is proven to not only be fast and safe wit.
Insert the bar under a shingle and pry upward at a.
Roof valleys are prone to leaking and are a well known weak spot on older roofs.
In order to lay the flashing the shingles on the roof will have to be removed.
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.
Insulation insulation is a preventative measure to reduce heat loss through the ceiling into your attic.
Move to the highest end of the valley and work your way down cleaning.
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.
Check ventilation proper ventilation will help.
Take measurements of your roof flashing most flashing is 14 inches wide but yours may vary.
The right thing to do here is to pull a valley basically pull a valley apart and rebuild it.
This video shows the traditional and best way to repair a lead valley on a roof.
If you re not sure what a roof valley looks like check out the photos on this page.