Why You Should Never Roof over Existing Shingles – What to Know + Why It Matters
Introduction Roofing over existing shingles is generally a bad idea and not recommended. It can trap moisture, hide damage, and make future repairs harder. If you’re considering it, check local rules and the shingle deck condition before you decide. If you decide to replace, some homeowners opt for metal roofing over a prepared deck, which […]
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