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3/12/2021 (Permalink)

Most commercial facilities have drop ceilings with ceiling tiles. It is not uncommon for these tiles to become damaged over time and require replacement. However, many facility managers may be disheartened to find a single tile or several tiles with stains and assume tile mold. While your mind may immediately jump to mold growth, any remediation service will likely explain that mold is possible, but there are at least three other causes, especially if the staining is recent.

1. Plumbing problem
2. Roof leak
3. HVAC system issue

Plumbing Problem
If your facility is multi-story, then the tile discoloration is likely the result of plumbing issues and not tile mold. Ceiling tiles are incredibly porous and will soak in the water, causing a stain to appear on the other side. Fresh water stains typically look damp; they will likely turn the tile a shade of gray, especially if the tile is a lighter color naturally.

Roof Leak
If your facility is a single-story, then you may have a more significant issue than a minor plumbing leak. A roof leak can also result in the discoloration of ceiling tiles because of water damage. You may want to inspect your roof around the area of the staining to ensure that there is no existing external damage.

HVAC System Issue
If your facility has roof-mounted HVAC units, it is possible that the staining is a result of leaking from the condensation line or system and not mold. If you have an A/C unit above or near where the staining appeared, then you may want to contact an HVAC repair specialist.
While tile mold is a concern for any business because of the inevitable business interruption, it is not always the reason for tile staining. If you are genuinely concerned about the possibility of mold and cannot find any other likely causes for the staining, then contact SERVPRO for a property assessment.