The Benefits And Drawbacks of Adding a Layer of Roofing Shingles

House owners typically ask yourself whether it's cost-effective to add one more layer of shingles rather than tearing off the old ones. Positioning a 2nd layer traps wetness, which can considerably reduce the life expectancy of the shingles, inevitably setting you back much more in the long run. While including another layer might show up less costly upfront, the possible damages and the reduced roofing life may make it less of a deal than it seems.

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