AC leak caused mold: DIY or professional in Dubai?« Back to Previous Page

For a mold patch that size from an AC leak, especially with a strong musty smell, professional remediation is strongly recommended in Dubai's climate. The visible mold is likely just the surface of a larger colony growing inside your wall cavity due to persistent moisture. Bleach is ineffective on porous surfaces like drywall and can actually aggravate the problem by adding moisture.

The critical first step is stopping the source. You must have the AC unit repaired to prevent further leaking; any remediation is temporary otherwise. A professional will use containment barriers and HEPA filtration to prevent spreading spores during removal, then properly dispose of the contaminated drywall and insulation. The area must be dried completely with industrial equipment before any rebuilding.

In Dubai's high humidity, DIY attempts often fail because hidden moisture leads to rapid regrowth. The strong musty odor indicates active microbial volatile organic compounds (MVOCs), confirming the colony is alive. For a proper job, expect a process that includes stopping the leak, removing contaminated materials, deep cleaning, and verification that the space is dry and particle counts are normalized. You can request a detailed scope of work and testing protocol from any provider you contact for an assessment.