What causes 16 year old asphalt shingles that have a 20 year warranty to curl up on their ends? - what are shingles
Is there a temperature which makes these shingles curl? It is strange because I add to my house is 30 years old and was placed on the tiles and 30 years and not curly! But the shingles on my house of origin. What?
Thursday, December 17, 2009
What Are Shingles What Causes 16 Year Old Asphalt Shingles That Have A 20 Year Warranty To Curl Up On Their Ends?
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