How To Blend A Roof Extension Shingles

How to remove old asphalt shingles before putting on a new roof.
How to blend a roof extension shingles. If it comes out to an odd number like 7 5 adjust the spacing to make it 8 rows. Just lay out three rows next to the old about 6 wide and rearrange them until they blend. Cover each nail with roofing cement to prevent water penetration and weight the shingle down overnight to ensure a tight seal. Re lay the shingles you removed from the existing roof.
String the line along the top of the frame until it meets the shingle roof. Shingle the addition roof letting the new shingles fold through the valley center and onto the old roof deck by at least 1 ft. In some cases you can. Divide that number by the length of the tabs.
Usually the original was whole then half or it could be quarter half and full. Mark this point of the. 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. This gives you the number of rows of shingles you will need.
This latest project was in early december in lambeth ontario for a residential home that had an existing sloped or shingled roof that needed to tie into a ne. Hold the end of a chalk line at one of the outermost top corners of the carport roof frame. Removing asphalt shingles is a big job and you might be temped simply to lay the new roof over the old one.