Discuss Porcelain Tiles Unbonded in the DIY Tiling Forum area at TilersForums.com.

B

Bill

wrong addy imop as the addy used has stuck to the P VA d floor and not the tiles. porcelain needs a certain type of addy also back buttering is a must when tiling porcelain tiles. you haven't got a leg to stand on as most manufacturers recommend back buttering
The bag does say porcelain though Ray.
 
M

MW Smith Ceramics

The tiles were not back buttered - should they have been?

It's a solid concrete floor which has been in for four years - the underfloor heating went in at this time and was turned on Dec 2015, it was only turned off to tile.

We turned it on at the lowest setting after two weeks.

The tiles are porcelain.

They are very powdery on the back - could it be this?

What adhesive would you recommend?
 
Q

Qwerty

That's a rapid set cement. As well as no back buttering, possible dust on backs of tiles and PVA used as a primer, my guess is that you have probably mixed the adhesive too stiff but maybe also left it too long between trowelling the adhesive and laying the tiles. Most rapids only have a pot life of around 30 minutes and an open time of around 15-20 minutes
 
M

MW Smith Ceramics

I think tiling directly onto 6mm ribs of adhesive with with 600x 600mm tiles is asking for trouble.......I would be working with a 12mm adhesive trowel on the floor and on the the back of the tile off the high spot in the floor then working with an edge off that......you need 100% adhesive coverage on your tiles, I your fixing method and and possibly the wrong adhesive have caused you the installation failure here......how did you manage to fix large format tiles onto a 6mm bed of adhesive ??....surely there was a few lips showing
 
Im guessing that these tiles have been purchased online? Now i dont see anything wrong with that (as we too sell online) but seems that the wrong tile fixing products have been purchased.

youve mentioned the UFH and its been commissioned, sorry if ive missed it but what type of screen is it?
 

Chalker

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Arms
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The above post has been deleted.

This is not appropriate @Paul C.

Do not use the forum as a mouthpiece for the organisation that employs you.

tilersforums.com has no affiliation with Walls And Floors whatsoever!
Nobody has said anything against the supplier. I've had quite a bit from this supplier, with no problems. I think the problem is with wrong fixing and thermal shock!
If I buy a boiler or a bathroom from a merchant, they don't tell me how to fit it.
That's what professional tradesmen are for
 
B

Bill

Nobody has said anything against the supplier. I've had quite a bit from this supplier, with no problems. I think the problem is with wrong fixing and thermal shock!
If I buy a boiler or a bathroom from a merchant, they don't tell me how to fit it.
That's what professional tradesmen are for
We don't know if a pro was used yet - but anyway, even if they did it themselves, I would still expect a certain amount of help from the shop.
 
O

Old Mod

Nobody has said anything against the supplier. I've had quite a bit from this supplier, with no problems. I think the problem is with wrong fixing and thermal shock!
If I buy a boiler or a bathroom from a merchant, they don't tell me how to fit it.
That's what professional tradesmen are for

Not saying anything has been said against the supplier Chalker.
If you did not see what was posted, then please do not make assumptions, that's how things get misinterpreted.
The post was not malicious in any way.
 

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Thread Information

Title
Porcelain Tiles Unbonded
Prefix
Porcelain 
Forum
DIY Tiling Forum
Start date
Last reply date
Replies
42

Which tile adhesive brand did you use most this year?

  • Palace

    Votes: 9 6.2%
  • Kerakoll

    Votes: 13 8.9%
  • Ardex

    Votes: 11 7.5%
  • Mapei

    Votes: 44 30.1%
  • Ultra Tile

    Votes: 17 11.6%
  • BAL

    Votes: 34 23.3%
  • Wedi

    Votes: 3 2.1%
  • Benfer

    Votes: 2 1.4%
  • Tilemaster

    Votes: 20 13.7%
  • Weber

    Votes: 18 12.3%
  • Other (any other brand not listed)

    Votes: 15 10.3%
  • Nicobond

    Votes: 7 4.8%
  • Norcros

    Votes: 3 2.1%
  • Kelmore

    Votes: 4 2.7%

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