How to kill mold in carpet and prevent it returning?« Back to Previous Page

First, fix the AC leak permanently. In Dubai's climate, any moisture source will be exploited by mold. A certified HVAC technician should address the condensation drain line, which is the most common cause of such leaks. Without this repair, any cleaning is temporary.

For the carpet, surface cleaning is insufficient. Mold roots penetrate deep into the fibres and backing. For a small, recent patch, a thorough extraction clean with an antimicrobial solution approved for carpets can help. However, given the duration (a couple of weeks) and the allergy symptoms, the growth is likely extensive underneath. Carpet padding acts as a mold incubator and usually cannot be salvaged.

The most effective method is removal. Cut out the affected section of carpet and the underlying pad, extending at least 30cm beyond any visible staining. Bag it immediately to prevent spore dispersal. Then, scrub the concrete subfloor with a detergent solution, followed by a disinfectant like diluted white vinegar or a commercial product, allowing it to dry completely. This two-step process is critical—cleaning removes the food source, disinfecting kills remaining spores.

Prevention hinges on humidity control. After the AC repair, ensure it effectively dehumidifies the space. Run the AC consistently, even when out, to maintain low indoor humidity (ideally below 60%). Consider a dehumidifier if the room feels damp. For a definitive answer on whether the mold is fully resolved and the air quality is safe, a professional inspection with air and surface sampling can identify hidden colonies and confirm the species, which is important for assessing health risks.