How to fix water-damaged marble tiles to prevent mold?« Back to Previous Page

Based on your description, this is a serious situation that requires immediate professional intervention, not a DIY fix. The "soft and squishy" feeling indicates that the water has completely compromised the mortar bed and substrate beneath your marble tiles. This is extremely common here in Dubai after flooding, as the sand-cement screed acts like a sponge.

The correct remediation process is multi-stage. First, the affected marble tiles must be carefully removed to prevent further damage, though some breakage is likely. The saturated screed underneath then needs to be completely excavated and discarded. This is critical because trapped moisture will lead to efflorescence (salt deposits), mold growth within the floor structure, and eventual failure of any new installation. The area must then be thoroughly dried using industrial dehumidifiers and air movers, a process we monitor with moisture meters to meet UAE drying standards. Only after achieving a dry slab can a new screed be poured and allowed to cure properly before the tiles are re-laid.

Given the high humidity in Dubai, mold colonization can begin within 48-72 hours. A professional assessment is non-negotiable to check for hidden moisture in walls and cavities. We strongly recommend you call a certified team for an inspection to prevent long-term structural and indoor air quality issues. Please call us at 800-MOLDS (800-66537) or email hello@saniservice.com for an immediate assessment. Delaying this will only increase the damage and cost.