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