Is black mold dangerous and need professional removal?« Back to Previous Page

We've lived here for 2 years and just noticed a patch of black mold in the corner of our master bedroom closet, which is on the exterior wall. My husband has been waking up with a stuffy nose and itchy eyes for the past month, and it's getting worse. The closet always feels a bit damp, even though we run the AC constantly. How dangerous is this type of mold and should we get a professional to test it, or can we clean it ourselves safely?
Posted by Bader Khoury
Asked on March 29, 2026 9:30 am
Based on your description, this is a situation that warrants immediate professional attention. The presence of a persistent damp feeling and black-colored mold on an exterior wall, coupled with the onset of health symptoms, strongly indicates a potential Stachybotrys chartarum infestation, commonly referred to as "black mold." This species is known for producing mycotoxins that can cause or exacerbate respiratory issues, such as the stuffy nose and itchy eyes your husband is experiencing.

In Dubai's climate, exterior walls are prime locations for condensation issues. The constant running of your AC creates a significant temperature differential between the cool interior and the hot, humid exterior. This leads to condensation within the wall cavity, providing the perfect, hidden moisture source for toxic mold to thrive, which a simple surface clean cannot address.

DIY cleaning with bleach or other store-bought solutions is highly inadvisable. It will only remove the surface discoloration (the visible spores) while leaving the established root system (mycelia) intact within the wall. Furthermore, improper cleaning will aerosolize a high concentration of toxic spores, drastically increasing your family's exposure and spreading the contamination throughout your home.

A professional inspection is absolutely necessary. We use specialized tools like borescopes and moisture meters to assess the extent of the damage within the wall cavity. Air and surface sampling will identify the exact species and concentration of mold, which is critical for determining the correct remediation protocol as mandated by UAE health and safety guidelines.

For a thorough assessment and safe, guaranteed remediation, I strongly recommend you contact our specialists at Saniservice. Call us at 800-MOLDS (800-66537) or email hello@saniservice.com to schedule an inspection. We will identify the moisture source, contain the area, and safely remove the contamination to restore your indoor air quality.
Posted by Sani Admin
Answered on March 30, 2026 4:06 am