The Benefits And Drawbacks of Adding a Layer of Shingles

Home owners often wonder whether it's cost-efficient to add an additional layer of roof shingles rather than tearing off the old ones. Positioning a second layer catches wetness, which can dramatically lower the life-span of the roof shingles, inevitably setting you back much more in the lengthy run. While adding one more layer may show up cheaper upfront, the prospective damage and the minimized roofing system life might make it less of a deal than it seems.

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