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I have standing seam roof, and was really surprised when I looked closer and there was a screw used to hold metal down. Its a spot where there is a odd transition I guess. Is this normal. I have three of these cases for my roof. Two times he used screw, one time he did not. See attached picture. Is this normal, or will it cause problems.
3/16/2010
An informed customer is the Best Customer!
3/16/2010