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.
How to repair roof leak in valley.
In order to stop the leak in your roof you need to get to where the leak is occurring.
Step 1 find the cause.
Step 3 lay the flashing.
A properly flashed roof valley should have an ice and water shield installed with roofing felt being properly secured over the ice and water.
Step 4 replace the shingles.
This will require that you remove the shingles.
Find the place where that leak is coming from.
Then installed a layer of gaf storm guard underlayment and 20 valley flashing.
This method of lead valley repair is proven to not only be fast and safe wit.
And you can tar it but it s a real stop gap band aid like measure.
Start at the upper row of shingles at the upper end of the valley.
Clear any debris in the roof valley and surrounding area.
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.
Remove 8 inches of shingles at each side of the valley with a 16 inch nail bar.
Make a neat pile of the shingles that you will be able to continue using.
And that s what we ve done here montgomery s old cloverdale neighborhood.
How to repair a lead valley.
Many roof valley leaks are caused by roofing nails that have been poorly.
Carefully remove the shingles from the whole area of the leak and extend it approximately three or four feet beyond the leaking area.
The best way to find and stop the roof leak is to start over and roof the valley the right way.
We removed all old roofing material down to the original wood deck.
Move to the highest end of the valley and work your way down cleaning.
Step 2 remove the shingles.
Follow these three preparatory steps to get ready to fix the valley leak.
The right thing to do here is to pull a valley basically pull a valley apart and rebuild it.