The Benefits And Drawbacks of Including a Layer of Shingles

Home owners typically wonder whether it's cost-effective to add an additional layer of roof shingles instead than tearing off the old ones. Placing a 2nd layer traps dampness, which can dramatically reduce the lifespan of the tiles, ultimately costing extra in the lengthy run. While adding one more layer might show up cheaper upfront, the potential damages and the reduced roof covering life might make it much less of a deal than it seems.

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