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