The Advantages And Disadvantages of Including a Layer of Roofing Shingles

Home owners usually wonder whether it's affordable to add another layer of roof shingles rather than tearing off the old ones. Placing a 2nd layer catches wetness, which can dramatically reduce the life-span of the shingles, ultimately setting you back much more in the long run. While adding an additional layer could show up less costly upfront, the potential damages and the decreased roof covering life might make it less of a deal than it appears.

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