The Pros and Cons of Adding a Layer of Shingles

House owners often wonder whether it's cost-effective to add an additional layer of roof shingles instead than tearing off the old ones. Putting a second layer catches wetness, which can considerably minimize the life expectancy of the tiles, inevitably costing extra in the lengthy run. While including one more layer might show up more affordable upfront, the prospective damage and the reduced roofing system life may make it less of a deal than it seems.

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