The Advantages And Disadvantages of Including a Layer of Roofing Shingles

Property owners often question whether it's economical to include another layer of tiles instead than tearing off the old ones. Putting a 2nd layer catches moisture, which can significantly reduce the lifespan of the tiles, eventually costing extra in the long run. While adding another layer could show up less costly upfront, the prospective damage and the minimized roof covering life may make it less of a bargain than it seems.

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