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Other stories by Harrison McCampbell

  • Q&A: Asphalt Shingle Nailing

    Q: Can asphalt shingles be nailed above the adhesive strip? I have seen leaking low-slope roofs with relatively new asphalt shingles, where the leaks followed the nailing pattern. In the attic, there were rows of drip holes in the cellulose insulation on the attic floor. In this case, the shingles...

  • Troubleshooting Roof Leaks: Problems & Solutions

    A small roof leak can create expensive problems. An inspector with years of experience surveys the trouble spots on both flat and steep roofs.