The Benefits And Drawbacks of Adding a Layer of Shingles

House owners frequently question whether it's economical to add an additional layer of shingles instead than tearing off the old ones. Positioning a second layer catches moisture, which can substantially minimize the life-span of the tiles, ultimately costing much more in the long run. While adding another layer may appear cheaper upfront, the possible damages and the minimized roof life may make it much less of a bargain than it seems.

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