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Other stories by Frank Vigil

  • Q&A: Mysterious Stripes on Carpet

    Q: The homeowner living in a ranch house our company built five years ago is complaining of mysterious carpet staining, showing up as a stripe along the outside walls of some rooms. There do not appear to be any water leaks or problems with the gas applia

  • Q&A: Black Stripes on a Cathedral Ceiling

    Q: I have been asked to determine the cause of black shadow marks on a cathedral ceiling in a new home. The black marks correspond to the bottom sections of the rafters, near where the rafters meet the wall. The black shadows do not resemble stains from water leaks. There is a gas fireplace on one...

  • Q&A: Carpet Filtration Mystery

    Q: We are builders in the Philadelphia area. Over the past few years, we’ve experienced several cases of what we’ve been told is "carpet filtration" — dark ghost lines that appear on the carpet under doors and around the perimeter of rooms. We tested the hvac system and found a sizeable imbalance...

  • Q&A: Vapor Barriers in Mild Climates

    Q: The Journal’s panel of experts answers the most commonly asked questions from the job site.