Removing Old Grout From Wall Tiles

Scrub the mortar with a scrub brush to remove the residue the acid has loosened.

Removing old grout from wall tiles.

Start by holding the tool horizontally or vertically in the case of vertical seams turning on the power and lightly pressing the blade to the grout. Use the scraper to clean off large debris and then clean off any soapy residue with a damp cloth. Taping will help to stop you from sawing into the tile as you cut up the grout. Make sure to apply enough water that it can soak into the grout for an hour or two before you try to work any of the grout off.

Take one gallon of warm water and dissolve a cup of sugar into it. The basic method for hardened grout removal use warm water and wipe it over the surface of the tiles with a sponge. Remove the grout from between the pieces of tile with a grout scraper using the incision as a starting point. Using a wooden paint stick gently scrape at the grout removing the larger chunks from the surface of the tile.

Then using some fine wire wool rub gently over the grout which will begin to dissolve and rub off at the same time. If you have wall tile with too much grout then soak paper towels in the solution and place them on the tile. Tape the tiles so that the grout joints are all that is visible. Once the tile is clean and has no more hardened grout wipe over with a damp cloth and leave to dry.

To do this use the grout float again this time holding the tool at an 80 degree angle to skim the excess grout from the face of the tiles. Apply firm pressure and drag the scraper along the grout line about the length of one tile but be very careful to avoid scraping the tile. Insert the triangular tip of the grout scraper into the incision you made with the grout saw. Allow the tiles and grout to completely dry.

Take the water and sugar mixture and pour it over the grout that needs removed. Rinse the piece of tile with clean water and allow the piece to dry for at. Remove a piece of tile from the solution. Take this sweet solution and pour it onto excess grout on a floor.