The Advantages And Disadvantages of Adding a Layer of Roofing Shingles

Homeowners usually question whether it's cost-efficient to include another layer of shingles instead than tearing off the old ones. Putting a second layer traps wetness, which can significantly lower the life expectancy of the shingles, ultimately setting you back much more in the lengthy run. While including an additional layer may show up more affordable upfront, the possible damages and the minimized roofing system life may make it less of a deal than it seems.

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