What do those "nasty" roofs indicate?

04/26/2013 | Star Tribune (Minneapolis-St. Paul, Minn.)

Cracked or curling roof shingles could indicate an old roof, according to Reuben Saltzman, while patched or mismatched shingles could point to faulty installation. In this blog post, Saltzman includes photos of some "particularly nasty roofs," and points out other visible defects on chimneys and siding that should be inspected.

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Star Tribune (Minneapolis-St. Paul, Minn.)

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