April 21, 2022
How To Remove a Stain on TerrazzoStains on terrazzo can be unsightly and may lead you to decide you have no choice but to have tile or carpet installed over it, but often stains on terrazzo can be effectively removed. You can attempt to remove the stain yourself or contact a professional stone restoration contractor. Here is what will need to be done.
Are your terrazzo floors waxed or coated?It is not uncommon for a terrazzo floors to be coated or waxed with a topical finish. The only way to know whether the stain is in the topical finish or in the terrazzo itself is to remove any old finish. If you are certain that your terrazzo has a natural, honed or polished finish then you can skip the stripping process described below and move on to the poultice application.
Stripping Waxes and CoatingsIt is very important to note that floor stripper is very caustic and can cause injury or damage. You must wear heavy latex gloves and eye protection and use masking tape and plastic to protect the floor surrounding your work area.
The Poulticing Method of Stain RemovalA poultice is a combination of a dry, absorbent medium and a liquid chemical or cleaning agent. The ingredients for your poultice will depend on what type of stain you are trying to remove. Please visit our Stain Removal Application for the specific ingredients and directions for mixing and applying a poultice.
Restoring Your Terrazzo FinishPlease note: If your terrazzo has a natural, honed or polished finish, there is no need to strip or reapply coatings.
Professional Terrazzo Stain Removal and RefinishingAn experienced natural stone restoration contractor can use a floor machine with an aggressive pad to strip your entire floor, if needed. Depending on the severity of the stain, the technician can either apply a poultice or grind the affected area, removing a very thin upper layer and virtually erasing the stain. Then, the floor can be deep scrubbed and recoated to rejuvenate the existing finish or honed and polished for a beautiful, natural finish that eliminates the need for any future stripping or recoating.