limestone with mold / mildew stains in grout joints.
Article ID: 224 | Rating: Unrated | Last Updated: Mon, Aug 17, 2020 at 11:33 AM
Q. We have mold buildup in grout joints and surface has film on it. What is best to clean mold and remove film from surface?
A. There are several cleaners that will remove the mold but you must be careful to choose one that will not damage the limestone. I would recommend that you use a mold and mildew stain remover for marble and limestone.
To take it a step further, your grout can also be sealed with an impregnating sealer with very effective anti-fungal properties. To locate a contractor in your area that can perform this service for you,
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