Restoring damaged grout can take a good deal of work. Joints cannot be “grouted over” successfully. At least 2/3 the depth of the old grout needs to be removed when replacing or repairing grout. The type of tile impacts the difficulty of grout removal.
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Home-repair expert Kaile Warren shares guidelines for a weekend project of replacing grout without disturbing the tiles in a countertop or bath. ... Before doing any work on tile or grout, always tape the face of the tile to prevent marring.
www.hgtv.com/home-improvement/replacing-moldy-grout/ind... www.hgtv.com/home-improvement/replacing-moldy-grout/index.html
What You Will Need; To remove and replace grout, you’ll need: ... Need some more help with replacing grout? Visit our Floors and Stairs forum and post questions concerning grout ... Home » Walls & Floors » Floors » Ceramic Tile Flooring » Replacing Grout...
www.repair-home.com/Replacing_Grout www.repair-home.com/Replacing_Grout
How to Replace Cracked Tile Grout in a Tub or Shower. With Video! Attend to cracked or crumbling grout joints as soon as they appear. Water getting behind the tiles can ruin the tile job and cause costly damage. ... Summary: Attend to cracked or crumbling grout joints as soon as they appear. Water getting behind the...
www.ehow.com/video_115016_replace-cracked-tile.html www.ehow.com/video_115016_replace-cracked-tile.html
Dig out grout you want to replace with a screwdriver or a grout saw. A grout saw can be purchased at any hardware store and is designed just for this job. Dig down to solid grout and scratch it a bit so ... Replacing the grout will save you time and money in the future, by preventing more extensive damage. ... Replacing Doors...
www.ehow.com/how_2057492_replace-wall-tile-grout.html www.ehow.com/how_2057492_replace-wall-tile-grout.html
Visit www.ronhazelton.com for hundreds of home mprovement tips and project videos. remove, replace, tile, grout, kitchen, bathroom ... Although I haven't tried one of the oscillating tools for grout removal, I can imagine they would work well and be much easier to control than a rotary tool.  Thanks for mentioning them.
www.youtube.com/watch?v=DytsjSHlCWU
Regardless of the cause of the grout failure, this article will provide information on replacing the grout for the homeowner who wishes to attempt this simple project.
www.onlinetips.org/grout-replacement www.onlinetips.org/grout-replacement
Where there is chipped and cracked grout there is the possibility of water damage, why not fix it, it's easy to do! ... Where there is chipped and cracked grout there is the possibility of water damage, why not fix it, it's easy to do! Remove the damaged grout with a grout saw; pick it up at any home improvement center.
www.handyman.painterclick.com/Tip31.htm
Does anyone out there know of an easy way to remove old tile grout - is there any way of softening it to make it easier to remove. I bought a grout remover saw like gizzmo but it hardly makes a mark.
www.theanswerbank.co.uk/Home_and_Garden/Question73515.h... www.theanswerbank.co.uk/Home_and_Garden/Question73515.html
Once you have completed the first steps of tile replacement, its time to venture into replacing the grout. Tile and grout replacement is a fairly simple procedure, but does require adequate drying time, so do not rush this project.
www.onlinetips.org/tile-grout-replacement www.onlinetips.org/tile-grout-replacement