New installation of Owens Corning Duration architectural shingles in Gainsville GA. by Rich Krawiec and his crew. Original installation was not correct. Brand new home, only 3 nails per shingle instead of 6 and wrong shingles for the pitch of the slopes. Notice the delamination of the shingles on the upper left corner of the roof in the first photo. Unfortunately it was doing this all over the roof.
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