Sealing grout that has had a grout colorant applied can do more harm than good for protecting the grout. Ensure that the floor is completely clean and dry before applying sealer. This article was co-authored by Art Fricke. You should only seal cement based grout. "I had heard about sealing grout for several years, but when I mentioned it to the person who re-grouted my bathroom, "The procedures on when and how to apply the sealant and the illustrations shown helped; foremost, is the safety, "This helped me in understanding how grout sealer works and especially in knowing that there are not a lot of. This article will tell you how to apply grout sealer. A remodeling and repair specialist with over 20 years experience, he is also a Certified Pool Operator and holds an EPA Universal refrigerant certification. If it is a hot summer day try to seal the grout in the morning or evening when it is the coolest. Trying to keep these vertical grout joints saturated with sealer for 5-10 minutes can be a challenge which is not always achievable. Read your info in time. If you see that the sealer is getting absorbed by the grout and starting to dry then apply more sealer to the grout to keep it thoroughly saturated with the grout sealer. Cleaning the grout haze left after grouting the tiles will ensure that the tiles do not look dull and cloudy. NATCO - North American Tile Cleaning Organization, Copyright 2014 - All Rights Reserved Home | About Us | Privacy Policy. The excess sealer on the tiles surface will be wiped away later. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/1\/1d\/Seal-Grout-Step-1.jpg\/v4-460px-Seal-Grout-Step-1.jpg","bigUrl":"\/images\/thumb\/1\/1d\/Seal-Grout-Step-1.jpg\/aid1346615-v4-728px-Seal-Grout-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"