The Pros and Disadvantages of Adding a Layer of Shingles

Homeowners frequently ask yourself whether it's cost-efficient to include an additional layer of shingles rather than tearing off the old ones. Placing a 2nd layer traps dampness, which can substantially decrease the life expectancy of the roof shingles, inevitably costing much more in the lengthy run. While including an additional layer could appear less costly upfront, the potential damage and the minimized roofing system life may make it less of a bargain than it appears.

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