right ive been and had a tile up today, 2 thirds of the floor has cracking grout,one third is fine

lifted a tile ,which didnt want to come easy[topps rapidset flexi]

i think its movement in the floor ,which i didnt think was as bad when i jumped up and down next to a glass water,when quoting

the addy seems to have come away near ply joints,awway from joints its stuck good on tile and ply,not just one or the other, warmup loose wire ,with their own green primer

im taking the whole floor up next week,and am probably gonna have to fork out over £700

i was hoping for thermal shock signs ,not that anyones going to admit to bad commisioning anyway

DAVE , u asked if it was onto joists , be interesed to hear yours or anyones views mate

im gonna takit on the chin ,[18 months into my career at the time] and put it down to expierence i reckon
 

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Bit of a shame mate. This time check the floor is 100% deflection free, then glue and screw hardie/other cement board, then tile. Also in pic 2 it looks like you haven't back skimmed, make sure you do this time. Oh and take the ply out before all of the above! 🙂


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This is why i do not like tiling direct to ply... too much cheap ply in the uk market and it can leach resin and this results in tiles de-bonding... you can see on pic 2 where the ply grain is embedded into the adhesive but de-bonded.. this is typical of cheap ply and UFH...

IMO you need to use a cement board to get a better bond... cover the UFH in SLC suitable for timber floors and then solid bed fix onto that.. making sure you back skim those tiles as well to create solid bed..
 
is the floor a floating floor, chipboard on to insulation, these types of floors can be very bouncy, and imo not suitable for tiling..
 
well on my last visit the customer was happy for me to redo the tiling ,after floor strengthening,but i told him no thanks.......once bitten
i told him id refund money too.
today i went to rip it all up and i found a water damaged area near to where the first cracked grout showed itself
looks like a fair bit of water sat there for a while,but they have told me absoluotly no washing machine or waste pipe leaks,which i find hard to swallow
heres the pics boys, showing underside ply and chipboard

so im not happy to refund all the money,ill contact him tonight
 

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That's defo water damage. I wouldn't refund a penny as this looks to be the main cause. What guarantee did you give the customer on the floor?
 
Are there any water appliance near by that area. Deffo water damage but you cant say that is the sole reason for failure.
What is worrying to me is that in your first photos it shows tiles removed the floor fairly clean and the tape over the UFH with hardly a mark on it ?
 
i agree ,thats why i could still owe him but maybe not the full amount,washing machine and sink right there
just had another look ,i cut a channel in the ply to recess the probe ,its black as yer hat with mould ,its been sitting in a pool of water
if the leak occurred soon after fixing it wouldnt help
also would the probe give a lower reading in water ,in turn making them raise the temp?
wriggling out of stuff aint my scene ,just dont want to take all the flack if it aint mine,steve
 

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