We have a decent size walk in shower that has tile and grout floors and walls, and every couple years the telltale signs appear (mildew, etc..) to let us know that it is time to clean, touch-up and reseal the grout.
Not an easy job really... first thing is to get the tile and grout very clean and we use a foaming bleach with a scrub brush. Next is to touch-up the grout and make it bright white again, and we like to use a grout whitening pen for that job. Once clean, touched-up and totally dry, we will vacuum to get the small residue out and then liberally spray the grout lines with this sealer.
This stuff comes out of the bottle in a fast, straight stream -- so you really have to be prepared and you have to work quickly or you will make a big puddle on the shower floor. From about 1.5 feet away from a grout line, starting at the top of the shower wall, we'll spray the top horizontal line from one side to the other, stop, and then do the next line down. We choose to work from the ceiling down to the floor, but I suppose that it does not matter much which direction you choose as long as you get them all.
Once finished with the horizontal grout lines, we will do the vertical lines and usually work from left to right to make sure we get them all. Once all wall grout lines are done, we move to the shower floor and give every line down there a good coating.
After that... we let it cure for about 24 hours, and then repeat the entire process with a slightly lighter coating, then let it cure for about two days before using the shower again.
Yes, this takes a total of three to four days and we use three cans of the Aim & Seal spray. Is it worth the time and cost? Yes. This stuff puts a seal coat on the grout that lasts us about two years.Read more ›
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