Should I clean the green patches myself or call a pro?« Back to Previous Page

After the rain last month, I noticed a musty smell lingering in the basement of our apartment, especially when we open the door. Upon checking, I saw some greenish patches on the walls near the floor; it's not much but definitely there. Should I try to clean this up myself or is it better to call a professional?
Posted by Jose Lewis
Asked on March 18, 2026 6:24 am
Hello there! Your concern about the greenish patches appearing after a rain event in your apartment's basement is quite common. The presence of mold in such conditions should be taken seriously as it can pose health risks and structural damage if not addressed properly.

In Dubai, like many other parts of the UAE, environmental regulations emphasize the importance of proper mold management to ensure occupant safety and maintain property integrity. Given that you've noticed these patches, a thorough inspection is recommended to determine their extent and whether they are indeed mold or simply stains from moisture. Mold can grow in various colors including green, black, brown, and even white, so it's crucial not to self-diagnose based on appearance alone.

If the area of affected walls isn't too large, you might consider cleaning it yourself with a solution of 1 cup bleach per gallon of water (about 3.8 liters), applied with a pump sprayer. Scrub the surface and allow it to sit for 20 minutes before wiping clean. However, this method works best on non-porous surfaces like concrete or tile. Porous materials such as wood, drywall, or carpet may require removal and replacement.

For larger areas or if you're unsure of what exactly those patches are, it's highly advisable to contact a professional mold inspection service. In Dubai, companies like Saniservice (you can reach them at 800-MOLDS or email hello@saniservice.com) offer comprehensive services that include detailed inspections and remediation plans tailored to local conditions.

Professional inspectors will use advanced tools such as moisture meters and thermal imaging cameras to identify hidden mold growth. They'll also provide a risk assessment, suggesting the most effective methods for containment and removal based on the type of mold found and its spread.

Remember, ignoring mold can lead to serious health issues like respiratory problems, allergies, or more severe cases, toxic black mold (Stachybotrys), which is particularly dangerous due to its potential to produce mycotoxins. Therefore, taking proactive steps now could save you from future complications and costly repairs down the line.

In summary, while small areas might be manageable with DIY methods, for anything beyond a minor patch or if you're unsure about what's growing, always opt for professional assistance to ensure safety and compliance with local regulations.
Posted by Sani Admin
Answered on March 21, 2026 4:45 am