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Floor grouting break up

 
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UCANDOIT
Junior Member


Joined: 31 Aug 2008
Posts: 2

PostPosted: Sun Aug 31, 2008 3:44 pm    Post subject: Floor grouting break up Add User to Ignore List Reply with quote

Hi all
Just renovated my bathroom but big problem with floor grouting.
It's constantly breaking up.

Floor is level, tiles are all OK, used Unibond waterproof coloured grout but it's doing my head in.
Used the same grouting everywhere else and it's fine.

Any one got any ideas???? Bang Head
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skiking
Senior Member


Joined: 13 Sep 2006
Posts: 3086
Location: Cheshire

PostPosted: Sun Aug 31, 2008 4:07 pm    Post subject: Add User to Ignore List Reply with quote

Sounds like the floor is moving. What have you put under the tiles ?
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tim'll fix it
BANNED


Joined: 18 Jan 2006
Posts: 2137
Location: Leicestershire

PostPosted: Sun Aug 31, 2008 6:19 pm    Post subject: Add User to Ignore List Reply with quote

did you overboard the floorboards with 12mm min WBP ply
did you use flexible adhesive
did you use flexible grout

_________________
Decking
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Only-Me
Senior Member


Joined: 31 Jul 2006
Posts: 1016
Location: South/West

PostPosted: Sun Aug 31, 2008 6:35 pm    Post subject: Add User to Ignore List Reply with quote

If not................then http://www.youtube.com/watch?v=NBikNb5oEcU and start again
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UCANDOIT
Junior Member


Joined: 31 Aug 2008
Posts: 2

PostPosted: Sun Aug 31, 2008 8:22 pm    Post subject: Floor grouting breaking up Add User to Ignore List Reply with quote

Thanks for fast response


Screwed 8mm MDF to floor boards to give flat even surface.
UPV'd as directed by Unibond grout.
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skiking
Senior Member


Joined: 13 Sep 2006
Posts: 3086
Location: Cheshire

PostPosted: Sun Aug 31, 2008 8:31 pm    Post subject: Re: Floor grouting breaking up Add User to Ignore List Reply with quote

UCANDOIT wrote:
Thanks for fast response


Screwed 8mm MDF to floor boards to give flat even surface.
UPV'd as directed by Unibond grout.


Think that could be your main problem
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bathstyle
BATHROOM DESIGN AND INSTALLATION


Joined: 17 Jan 2006
Posts: 796

PostPosted: Sun Aug 31, 2008 8:39 pm    Post subject: Add User to Ignore List Reply with quote

Yeah, a classic mess up, not only did you use the worst type of board imaginable, it's also too thin and you primed it with the wrong product.

Rip it all out and do it properly, if you need help, ask.
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