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Algae on asphalt shingles
Eight years ago, JLC took a look at widespread reports of cracking and splitting in fiberglass-mat shingles. In this update, we report how shingle manufacturers have responded to complaints, and how new product standards are making it easier to judge w
An experienced roofing contractor describes the details that make for a long-lasting, leak-free concrete tile roof.
Plastic, metal and fiber-cement shingles and panels make for durable, fire-resistant roofs — without sacrificing good looks.
Conventional steep-slope roofing materials can be made watertight even on low slopes. Here are some details and techniques that work.
You can still reliably judge organic shingles by their weight. But fiberglass shingles are another story. Responding to problems in the field, the fiberglass shingle industry is conducting research and developing new standards for its products.
They’re pretty to look at, but they may not last as long as expected unless installed properly and maintained.
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