Clear any debris in the roof valley and surrounding area.
How to re roof a valley.
Remove 8 inches of shingles at each side of the valley with a 16 inch nail bar.
Then starting at the base of the.
Only nail at the edges with only enough nails to.
A properly flashed roof valley should have an ice and water shield installed with roofing felt being properly secured over the ice and water.
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.
Insert the bar under a shingle and pry upward at a.
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.
Start at the upper row of shingles at the upper end of the valley.