Remove 8 inches of shingles at each side of the valley with a 16 inch nail bar.
How to re roof a valley.
Then starting at the base of the.
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.
Ensure ice and water protector has been installed along the valley first.
Insert the bar under a shingle and pry upward at a.
Take measurements of your roof flashing most flashing is 14 inches wide but yours may vary.
Clear any debris in the roof valley and surrounding area.
To secure the roof valley flashing nail it down carefully.