In order to replace damaged roof shingles you need to remove the damaged shingle install the new one and seal the edges.
How to weave in roofing shingles.
Only nail at the edges with only enough nails to.
Use the claw of a hammer to loosen the adhesive under the tabs 2 rows above the damaged shingles and then loosen any exposed nails with the claw.
This gives you the number of rows of shingles you will need.
Measure your roof from the bottom to the top of your porch roof plus one row your last shingles will slide under your home s shingles.
Roof installation how to shingle a valley hd by roofrepair101 more about roofing at.
Ensure ice and water protector has been installed along the valley first.
Then starting at the base of the.
To secure the roof valley flashing nail it down carefully.
Valley shingles and pipe boots duration.
This video demonstrates the proper installation technique for installing roofing valleys.
Work your way down to the damaged shingles loosening adhesive and nails so.
Divide that number by the length of the tabs.
If it comes out to an odd number like 7 5 adjust the spacing to make it 8 rows.