The Pros and Cons of Adding a Layer of Roofing Shingles

Home owners commonly ask yourself whether it's affordable to add an additional layer of tiles instead than tearing off the old ones. Putting a 2nd layer traps wetness, which can dramatically decrease the lifespan of the tiles, eventually costing much more in the long run. While including another layer may appear more affordable upfront, the possible damage and the lowered roofing life may make it much less of a bargain than it seems.

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