You pull the tool through a grout joint until at least one eighth of an inch has been removed.
Tool to remove grout around tub.
Before you apply new grout around your bathtub you must first remove the old excess stuff that posed the problem in the first place.
Manual grout removal grout removal tool with triangular carbide blade or grout saw with a carbide grit edged blade safety gear hammer flathead screwdriver chisel vacuum with a crevice tool.
Using a small putty knife toothbrush and or the hook end of a 5 in 1 painter s tool see picture below scrape any remaining bits of caulk lose this step too requires a bit of patience.
A grout saw with a carbine.
Cut away the grout.
Remove the grout from between the pieces of tile with a grout scraper using the incision as a starting point.
Others prefer to use a proessional grout saw or the sharp end of a utility knife.
For small areas use a grout removal tool with a carbide blade.
Using a plastic razor made for auto detailing or a triangular carbide grout removal tool remove the existing caulk.
Instead of repurposing an existing power tool to remove grout this multi purpose option is meant to tackle many of the tasks of tile and bathroom construction such as grout removal sanding scraping and sawing.
Make sure the bit is the right size for the space between the tiles and adjust the bit to the proper depth.
Protection removing grout will cause grout dust to rise.
Then kill any mold or mildew with a mixture of 1 3 cup bleach to 1 gallon of water.
A bathroom is a very small space with limited.
Work slowly image 3.
For much larger areas use a rotary tool image 2.
The second type of manual grout removal tool features a carbide grit edged blade that s why it s.
Clean the surface using alcohol.
Choose the tools you can use either manual tools or power tools to remove grout.
Place blue painter s tape on either side of the existing caulk line and avoid using metal tools to help protect the surface of the tub from scratches.
The blade is harder than the grout and will cut it away image 1.
Many people use a razor blade for this purpose though you must be careful not to scratch the tub.