Black mold in bedroom corner - treat myself or call landlord?« Back to Previous Page

The black speckles in a high-humidity climate like Dubai are a classic sign of mould, likely due to condensation from your AC unit meeting the warm, humid air. For a small area (under one square meter), you can treat it yourself. First, mix a solution of one part white vinegar with four parts water. Wear an N95 mask and gloves, scrub the area, and let it dry completely. Then, use a dehumidifier or run your AC continuously on a dry mode to keep humidity below 60% and prevent regrowth.

However, since the mould is on a structural element (wall/ceiling junction) and you suspect it's spreading, this indicates a potential moisture issue within the wall cavity itself, which DIY cleaning cannot fix. In the UAE, landlords are typically responsible for addressing structural defects and resultant mould that tenants did not cause. You should document the issue with clear photos and formally notify your landlord in writing. They are obligated to investigate and remediate the source, which may involve checking for a leaking AC condensation line or insufficient insulation in that corner.

For a definitive answer on the mould type and extent, a professional inspection with moisture mapping is recommended. This identifies the exact moisture source and confirms the mould is not spreading behind the walls, which is a common issue here due to our climate.