Originally Posted By: dvalley
This post was automatically imported from our archived forum.
Asphalt Shingles are softer and more flexible than fiberglass shingles, especially in cold weather. They are thicker and more tear-resistant than fiberglass shingles. They also contain more asphalt and nearly always use heavier weight reinforcement than fiberglass shingles of similar weight.
Fiberglass shingles are thinner and more brittle than Asphalt shingles and they show obvious imperfections in the roof deck.
If you?re not sure and you really want to know, just locate an inconspicuous area of the roof, tear off a tiny piece of the shingle edge. If it?s a fiberglass shingle, you?ll see the glass fiber, which looks like fine hair. With the asphalt shingle you?ll see the black saturated mat.
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