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What's the difference between 25-year and 30-year shingles?
Answered By Rae Fakner, Editor
25-year shingles weighs much heavier than
30-yr shingles. In laminated
architectural-type shingles, the former
weighs between 235 and 265 pounds per 100
square feet, while the latter weighs between
265 and 310 pounds per 100 square feet. Their
thickened state makes the 30-year shingles
much more durable.
--- permission must be obtained from editor
Rae Fakner to re-publish ---
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