How to remove mold from damp interior wall myself?« Back to Previous Page

Alright, so you've got the classic Dubai wall mold issue, very common here with our humidity and building envelope challenges. First off, safety: gear up with an N95 mask, gloves, and goggles. That black stuff isn't something you want to breathe in.

For a small patch like you're describing, mix a solution of 1 part white vinegar to 4 parts water. DO NOT use bleach. It just bleaches the color out and doesn't kill the roots, and it can react with the high mineral content in our desalinated water, releasing fumes. Scrub the area vigorously with a stiff brush. After scrubbing, wipe it down with a damp cloth and then dry the area immediately and thoroughly with a fan or a hairdryer. This is crucial. The drying part is more important than the cleaning in our climate.

However, and this is a big however, if the mold is coming from inside the wall due to a leak or capillary rising damp—which is highly likely given it's an exterior wall and feels damp—your DIY fix is just a temporary cosmetic solution. The mold will 100% return because you haven't addressed the moisture source. In the UAE, building-related dampness can be a complex issue often requiring professional diagnosis to identify the root cause, whether it's AC condensate drain issues, a leaking pipe in the wall, or insufficient external waterproofing.

For a proper, permanent fix, you really need a professional inspection. We use thermal imaging and moisture meters to find the exact source of the water intrusion behind the wall. Trying to fix it blind can waste a lot of time and money. If the spread is more than a few square feet, or if you notice a musty smell, it's time to call us.

Call 800-MOLDS or 800-66537 for a proper assessment. We can tell you exacly what's going on and how to fix it for good.