The Advantages And Disadvantages of Including a Layer of Tiles

House owners often question whether it's cost-effective to add an additional layer of roof shingles instead than tearing off the old ones. Placing a 2nd layer catches dampness, which can dramatically lower the life expectancy of the roof shingles, eventually costing more in the long run. While including an additional layer might show up cheaper upfront, the prospective damages and the minimized roofing life might make it less of a deal than it appears.

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