Porcelain Tiles come away from Adhesive after 7 years

[NZ_Tiler]

If the adhesive was XR7, it has a short pot life. Is it possible more water has been added to a setting mix to extend pot life? Causing weaker adhesion...( or skinned over to early) The adhesive also looks thick, I can't see on the spec sheet the maximum bed thickness, generally max 10mm. With a brick bond setout, excessive packing up may have happened to get tiles flush???

It's rare but some tiles are contaminated on the backs if you have a box spare you could check this and eliminate this as a cause.

 

[Andy Rhodes]

According to the original receipt,it's showing there are 5 bags & bottles of Arditex which is a levelling screed on it to encapsulate the UFH , maybe should have also used anti-fracture mat over the levelling screed as well

 

[Waluigi]

Agree with what others have said. When you say it was turned on during installation , I hope this wasn’t after the tiles were started to be laid? ......the job looks a bit rough too. Laying the Matt before the insulation boards adhesive has fully set, overlapping the heat Matt, heat Matt too close to the perimeter.

 

[Just Rizzle]

ardex give a 10 year guarantee contact them. most tilers will give you a 2 to 5 year guarantee.

 

[Andy Rhodes]

Could go there but wouldn't be surprised if the came back with it's not our problem ,it's an installation problem again playing devil's advocate?

 

[Perry]

I think there were problems with x7R. Also how thick was the adhesive it possibly thicker than recommended 6mm, which would shrink and crack.

 

[Dumbo]

Looking at the crazing in the adhesive . As @Localtiler said thermal , no one is going to guarantee that . Yes he should of back buttered but the tiler and the adhesive company will get out on thermal shock .

 

[J Sid]

problem was with Ardex 7001 or the 6001. Wasn't suitable porcelain and that was about 12 years ago.

 

[Andy Rhodes]

Ardex x7R the bedding thickness is 1-6mm

 

[J Sid]

but was it that 7 years ago ?