Quote:
Originally Posted by villagetinker
OP, I have no idea on "staining", however, I have used a product called Grout Shield, a specialized grout sealing product that can color (or color match) grout while it seals the grout. I have used this in the entire house sealing the floor and bathroom grout, and it works very well. This is primarily a DIY product. I did a Gardenia, about 1600 square feet tile and to bathrooms, one with a walk in shower, very happy with the results.
NOTE: this is a paint like material and is designed to match existing grout, but can be used to change color. I have no idea if the "stain" provides a sealing function, I would check on this before using.
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Thanks to VT, I ordered Grout Shield in the color of our original grout, Mapei Biscuit. We watched the how-to video on applying the product which was easy to follow. My husband did the kitchen and laundry room in a very short time and "feathered" it in to the existing grout in the adjoining rooms. It blended in perfectly. No more expensive sealing by grout cleaning companies that doesn't last anyway. The kit cost around $30, with plenty left over. The only hard part is getting down on one's hands and knees.