The Advantages And Disadvantages of Adding a Layer of Roofing Shingles

Home owners commonly question whether it's economical to add another layer of shingles rather than tearing off the old ones. Putting a second layer traps dampness, which can considerably minimize the life expectancy of the shingles, ultimately costing extra in the lengthy run. While including an additional layer might show up cheaper upfront, the potential damage and the lowered roofing system life may make it much less of a deal than it appears.

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