Floor Grinder
Posted on Monday, July 5, 2010 in construction equipment
Can I regrout around floor tiles by applying new grout over the old, or do I need to dig the old grout out?
I laid the tiles in '98 never having done any tiling before. I did a pretty good job all round EXCEPT for the grouting. I'm thinking about having another crack at it by applying new grout but want to know if I need to dig the old stuff out. ... and how do I do that? Use an angle grinder? How do I avoid chipping the tiles?
Thanks all for answers so far. Just to clarify in response to one answer, the grout is in good condition - it is just that it is a light grey colour and is getting grubby despite cleaning.
First if you are regrouting because the grout is just dingy you can bleach it and return it to near new condition. Just use the right product for the job found at a building center.
If you are regrouting because it is cracked you should first figuree out why it is cracking? Most likely reasons are: tile on concrete slab then the slab is moving or cracking slightly. You will need to stabilize the problem first. Next if the tile is over a wooden substructure and cracked you need find and isolate the areas where the cracking is occuring and reinforce the joists below to preclude movement.
To remove the grout you can buy a grout remover from a building center to remove the grout. Be careful not to apply too much pressure to the tiles themselves.
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