My guess is 3mm glass can/would simply break under the stress of an adhesive drying out.
Especially if it's something like Green Star which would take quite a while to dry out.
3mm is too thin for a glass tile imo, and if there is heat nearby, so much the worse.
 
Hello all

thank you all and will get my son to do pics weekend or soon after.

The 10mm trim used as it looked good.

Yes 3mm tiles are bit to think but was caught out as mother-in-law passed away few days building works to start do bought from the net.

tilers used BAL tubbed, ready prepared glue.

The walls had been skimed.

tiles around boiler pieprs covered by boxing in using ply not split

Most are split by the gas hob.

I feel cheated, the builder I used from MyBuilder was indicating all along he would re-do and never once mentioned costs. He said he is insured, most likely for if the hosue fell down but not mistakes like this.

Re My Builder, don't think they allow negative comments to be posted? I will give this bloke a chance and may even pay some of the money for labour but see how he reacts - he said not his fault, tile supplier says not his fault, and I know it was not my fault

If that was me ie the builder I would have resovled - I think we kept him sweet as we did intend to get more works done, but as costs were more than anticiapted we have delayed, possibly his stance.

Thank you and I will update - the replacement tiles are gloss black 6mm 200x100mm but not glass as have had enough of the problem.
 
Depending on the manufacturer of the tile there are two things to check - should he have used powdered adhesive instead of ready mix and do the fitting instructions mention a minimum distance from the hob? We wanted a glass splashback and that said it had to be 11cm away from hob. If this was stated but ignored then I would chase the builder. If you bought of the net aren't you covered by your credit card provider?
 
Hello all

thank you all and will get my son to do pics weekend or soon after.

The 10mm trim used as it looked good.

Yes 3mm tiles are bit to think but was caught out as mother-in-law passed away few days building works to start do bought from the net.

tilers used BAL tubbed, ready prepared glue.

The walls had been skimed.

tiles around boiler pieprs covered by boxing in using ply not split

Most are split by the gas hob.

I feel cheated, the builder I used from MyBuilder was indicating all along he would re-do and never once mentioned costs. He said he is insured, most likely for if the hosue fell down but not mistakes like this.

Re My Builder, don't think they allow negative comments to be posted? I will give this bloke a chance and may even pay some of the money for labour but see how he reacts - he said not his fault, tile supplier says not his fault, and I know it was not my fault

If that was me ie the builder I would have resovled - I think we kept him sweet as we did intend to get more works done, but as costs were more than anticiapted we have delayed, possibly his stance.

Thank you and I will update - the replacement tiles are gloss black 6mm 200x100mm but not glass as have had enough of the problem.

That is what i thought ... wrong tile type for the use required...
 
no need for powdered adhesive for the glass at all just not the likes of your bal green star ,i would think that the heat may have something to do with it,could you not find out first what adhesive your tiler used,could well be the problem mixed with the heat
 
the first problem here is the bad specification of the trim depth (10mm) with tiles that are only 3mm thick. this means that the adhesive thickness will be 7mm! A ready mixed adhesive (Dispersion type) sets by loosing moisture which it can't through glass tiles and so moisture can only be lost through the joints and will have taken ages ( a reason that you would avoid using a dispersion adhesive with medium/large glass tiles even at the correct (maximum 3mm usually) thickness). A modified cement based adhesive sets by chemical reaction and so doesn't need to dry out to harden and is hence more often specified with glass tiles but then again it should only be used on walls with a thin bed (~3mm) of adhesive. When an adhesive sets it creates a strong pulling force on the tiles which is sufficient to visibly bend large tiles when thicker beds of adhesive are encountered (eg on uneven floors). With 3mm thick glass tiles on a 7mm bed of adhesive I think that you are likely to be seeing the effect of this pulling force breaking the tiles especially in the area around the hob where additional heat induced stresses will also be present.
If wanting to fit thin tiles with a thick trim as in this instance then rather than bed out the tiles with thick adhesive a thin tile backer board (eg 4mm) should have been fixed to the walls before the tiles but after the trim had been fitted. Personnaly I would also want some recommendation from the tile manufacturer as to how to fit them as at 3mm thick they are outside of my comfort zone.
The type of insurance that most tradesmen have is public liability which covers things like accidental damage. Some may have additional product liability which will cover them for things that they are buying in and selling on to the customer. I dont think many (at tradesmen level) will have external insurance to cover their own workmanship but i may be corrected on this!
Steve
 
~The tiles are too thin to use near a heat source, and if there is that much air drying adhesive behind them, then when it drys it will shrink slightly, and thats surely where/ why the cracking is occuring.

- - - Updated - - -

2-3 days to repair is over the top, its 3sqm ffs

I thought that too, surely a day max!
 

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