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Metal Roofing 101
3 articles in Metal Roofing 101.
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What? You Think Roofs Last Forever?
No roof lasts forever — weather wears every roof out eventually. But the gap is enormous: asphalt shingles last 15–20 years (often less), while an Interlock aluminum roof is built to last 50+. Choosing the right replacement material decides whether you re-roof once or three times.
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An Interlock® Roof Is a Great Investment
A metal roof costs more upfront, but as an asset it pays back: one lifetime install instead of three asphalt re-roofs, up to 25% cooling savings, possible insurance discounts from its Class A fire and Class 4 impact ratings, higher resale value, and a transferable lifetime warranty.
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Is It Cheaper to Put a Metal Roof or Shingles?
Asphalt shingles are cheaper to install today; a metal roof is cheaper to own. Shingles run roughly $120–$400 per square and last 15–20 years, so you replace them 2–3 times over the 50+ years one Interlock aluminum roof lasts — before counting energy savings and avoided repairs.
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