Polymer additives are often added to grout to provide superior properties, commonly improved chemical resistance, reduced porosity, improved flexibility, and freeze/thaw stability. For use with ceramic, mosaic, quarry, porcelain, stone tile, marble and granite; Grout can be used on floors, walls and countertops as well as wet areas such as tub surrounds, shower floors and shower walls Agitate with a stiff white nylon scrub brush, white nylon pad, or appropriate floor machine. - I have a question about water seeping up through grout of a tiled floor. You need to do this dry, because if you wet the surface, the grout dust will just re-stick itself. In most scenarios, you’ll unfortunately likely have to remove the old grout and re-lay your tile. Why is water Suddenly Seeping through my tile grout joints? Newly poured grout usually requires at least 24 hours to dry and a full week to cure before it is sealed. Other factors, such as tile material and lighting, can also affect how the finished, dried grout looks on your floor. My approach is to grout things and then get the wet grout out with a dental pick and tooth brush. Add water until you achieve a milk-like consistency. First, I got a dry sponge. Rinse area with a lightly dampened clean mop, sponge, towel or wet vacuum. Less common than efflorescence is the white residue that can form on polymer-modified grout if the grout is subjected to excessive moisture before the polymers coalesce. This is in South Florida. Mask off and protect any surrounding areas that will not be treated Apply the abrasive powder to the contaminated surface. Dear Carole: There are at least six things that could be causing your grout to come loose. If your grout is runny or too wet, add additional dry grout to the mixture until it reaches the proper consistency for use. Recently, the city decided to run a 36" gas line maybe 20' from the back of the house. I am now observing water … I used one of the sponges that you can find in the tiling section. Soggy grout leaves the finished joints weak and prone to cracking or crumbling, as well as to efflorescence, a chalky, white appearance. Grout is frequently mixed up too wet and doesn't cure properly when it is. Instead, you’ll want to use a damp, not soaking wet, sponge to clean the entire area in long, continuous strokes. Grout dries lighter than the wet version due to the water content and the evaporation process. Before wiping off any excess product, let the grout harden and then test it with your finger. If the space is larger than 1/8 inch, use sanded grout. Never really had any problems. If the grout will not come off, it may be an epoxy grout … They were installed approximately 10 years ago. It had a softer side and a side that was a bit rougher. Measure the space between the tile. Scrubbing the wall will be ineffective as it just moves the product around, instead of cleaning it effectively. It is important to clean off excess grout from the face of the tiles with a damp grouting sponge before it hardens completely. I used the rougher side to basically sand away most of the grout. - 1/2 in. Expecting the lighter color helps you choose a grout that matches your vision. Grout is available as sanded or unsanded. Wet the grout that remains with clean water, and scour the surface of the tile with a damp nylon scouring pad. Choose the correct type of grout based on the width of your tile joints and the location of the repair. Rinse the sponge frequently in clean water to get rid of the grout, but remember to use a damp, not wet, sponge. Joe Moorman January 11, 2014 at 7:43 am. The tiles are 18" x 18" ceramic. I have seen people use things like wax and masking tape to seal off pieces with crevices while grouting. For grout joints 1/16 in. 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