Dimensional Shingle Failure
In my home inspection and roof consulting business I am discovering with increasing regularity a significant loss of granulation in lighter weight dimensional shingles that are less than 5 years old. The question is how much loss is normal wear and tear and what is excessive? The second issue is at what point do I inform the client of a deterioration that will adversely affect the long-term performance of the product? . . . keep reading
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A Study of Asphalt Composition Roofing Defects
By Jim Turner, CRI, Owner / Inspector
When contemplating the variety of technical information available for an article on asphalt composition roofing, I realized that the subject matter is not, well, very sexy. As with most technical subjects . . . keep reading
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History of NAHI
