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Stuart Noble Stuart Noble is offline
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Default removing grout by power tool

wrote:
Stuart Noble wrote:
wrote:
I need to remove a lot of grout between tiles and regrout with
waterproof grout.

Why? All grout is relatively waterproof, especially on vertical
surfaces. What are the symptoms?
A bitch of a job, even with a grout rake.


Water is leaking through the tiles, the grout, to the ceiling below.
The tiles are top quality and look well and it is a shame to get rid
of. The only other quick option is to tile over the tiles, which is an
expensive thing to do.


So this is a bath/shower?
Tiling usually only lets water at the bottom of a run where the tiles
meet the bath edge or shower tray i.e. where the water hits its first
horizontal obstruction and has time to sit and soak. Don't rush into
anything.