How to check for hidden mold under damp carpet?« Back to Previous Page

The AC in our Jumeirah apartment has been leaking a bit of water onto the carpet in the hallway. We’ve had the maintenance guys out twice to fix the unit itself, but now I’m worried about the damp carpet under the tiles. I can’t see anything yet, but I’m paranoid about mold growing underneath where we can’t see it. What’s the best way to check for hidden mold and dry out the area properly to prevent it?
Posted by Sultan Kareem
Asked on April 10, 2026 4:15 am
Based on the conditions you've described, a professional inspection is strongly recommended. The combination of AC condensate leakage, carpeting, and the UAE's high ambient humidity creates a prime environment for hidden mold growth, even if it's not yet visible. Here is a technical overview of our standard approach.

The inspection begins with a thorough visual assessment of the affected area, looking for subtle signs like discoloration on grout lines, baseboards, or a musty odor. Since the mold is likely concealed beneath the tiles and underlay, non-invasive moisture mapping is crucial. We use penetrating and non-penetrating moisture meters to quantify the moisture content within the carpet, underlay, and subfloor, comparing it to dry reference areas to delineate the exact extent of the water damage.

For definitive identification, we employ tools like borescopes to visually inspect cavities and air quality testing to detect elevated spore counts. In Dubai, where AC systems can rapidly distribute spores, this helps assess the potential for contamination throughout the apartment.

Simply drying the surface is insufficient. Proper remediation involves extracting the water, then using industrial-grade dehumidifiers and air movers specifically calculated for the space's cubic volume and moisture load to achieve rapid and complete drying of all layers, including the concrete subfloor. This prevents the residual moisture from triggering mold growth later. Applying a antimicrobial treatment to the affected sub-surfaces is a critical final step to prevent future colonization.

Given the hidden nature of this problem, a DIY approach risks inadequate drying and missing the root cause. For a comprehensive assessment and certified remediation protocol, please contact our specialists at Saniservice. Call 800-MOLDS (800-66537) or email hello@saniservice.com to schedule a detailed inspection.
Posted by Sani Admin
Answered on April 12, 2026 3:38 am