I moved into a new build just over a year ago, and a few months in mold issues occurred in the nearby closet. The main cause of this was an exterior concrete wall which was still drying, and led to moisture which particularly built up in the closet.

The builder eventually completed mold remediation, which included adding an intermediary wall between the unit and the concrete, and replacing the carpet in the closet where the mold was the worst. However, they did not replace the carpet in the master bedroom.

The carpet in the master bedroom is stained, and I think it is due to mold spreading from the closet. I have tried everything to remove it, including getting a high temperature steamer (Dupray Neat Steamer). On occasions I have managed to remove the visible stains, though it seems to come back and now looks the worst it has ever looked.

What should I do to address the carpet?

The options I have thought of include:

  1. Getting a professional carpet cleaner to attempt to clean it
  2. Replacing the carpet
  3. Chemicals for cleaning carpet
  4. Covering it with a rug

Image of carpet

  • 1
    Option 5. Ask the builder to replace the carpet as it's their fault. – DavidPostill Feb 21 at 11:09
  • bleach and elbow grease should remove the stain, boric acid (commonly sold as bug powder) will keep it away until you move (it's an EXTREMELY powerful anti-fungal agent). – dandavis Feb 21 at 17:50

If it's coming back through, it's not dry underneath. Aside from who is going to be paying for it, builder or insurance, you need to get that up, test the floor underneath for damp & then, depending on result, get the builder back in or see if a dehumidifier can get it dry. I wouldn't lay any new flooring until you can assess the damp below and I wouldn't dream of putting that back down again.

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