There are many different colors and brands from which to choose that may compliment the tile or stone in your home or business. Remember, when choosing a colored grout, greens, blues and some of the darker colors can be unstable.
Grouts now have latex additives, which make them stronger, and give them more color stability for greater lasting value. All grouts should be sealed to insure stain resistance and longevity. There are now a lot more grouts that have glass in them and much harder and more stain resistant grouts than ever before but epoxy grouts are still the best for more stain and erosion proof surfaces than the rest.
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David Bonasera CTC, CSI
Grout plays an important part in floor stability, as well as the finished appearance. The rule-of-thumb, when choosing grout types, is non-sanded grouts are for narrow areas up to 1/8"; sanded grouts are for areas ranging from 1/8" to 3/4" or more. However, because of the type of sand in the Portland cement, which makes this type of grout more stable, sanded grout can be used in wider spaces. When using a polished marble, only non-sanded grout should be used. This is because sand can cause scratching. When restoring natural stone, the grout can become loose and scratch, especially, polished marble.
ESP sells many line of fine quality environmentally safe products: Stone Pro, Magic Al, Bonstone and Touch stone adhesives, MORE stone care products, Easy Care Products, and Better Bio which is over 80% bio based and approved by the USDA. So you might say that David Bonasera and ESP are still 5 years ahead of green.