Vertical Crack in Tiles

[sai]

I would like some advice from experienced tilers on this forum.
Had a vertical crack across a a number of bathroom floor tiles, in January a tradesman removed the damaged tiles and found the join in subfloor (chipboard over waterproof membrane) had not been screwed down by the original builder who had just stuck down the chip board with some form of adhesive. The tiler screwed down the join placing screws every 150mm and retiled.
Eight months later we had a reoccurrence of same problem despite the initial cause been apparently resolved - the join in the subfloor was quite firm prior to retiling and lacked the movement it had before is was secured with screws - whole floor felt like it was coming up when the damaged tiles were being removed. I wanted to know whether anyone knows why this problem has reoccurred and what course of action would remedy the problem fully.

Any insight would be much appreciated.

 

[Dave]

I would like some advice from experienced tilers on this forum.
Had a vertical crack across a a number of bathroom floor tiles, in January a tradesman removed the damaged tiles and found the join in subfloor (chipboard over waterproof membrane) had not been screwed down by the original builder who had just stuck down the chip board with some form of adhesive. The tiler screwed down the join placing screws every 150mm and retiled.
Eight months later we had a reoccurrence of same problem despite the initial cause been apparently resolved - the join in the subfloor was quite firm prior to retiling and lacked the movement it had before is was secured with screws - whole floor felt like it was coming up when the damaged tiles were being removed. I wanted to know whether anyone knows why this problem has reoccurred and what course of action would remedy the problem fully.

Any insight would be much appreciated.

Hi , so the chipboard has been tiled to directly with no over boarding. ?

 

[TSCTILING]

Chip board can't receive tiles, although bal claim they have a membrane that you can lay on any flat floor without and fixing method. And tile on top. I'd rip the floor and redo, if you don't want to do that you're best bet is to remove effected tiles, cut tiles along the different subfloor joint. And either get an expansion joint or don't grout the joint and fill with Webber or mapei Silicon. I'd rip the lot up though and mech fix jackoboard then retile.
[automerge]1605201947[/automerge]

Chip board can't receive tiles, although bal claim they have a membrane that you can lay on any flat floor without and fixing method. And tile on top. I'd rip the floor and redo, if you don't want to do that you're best bet is to remove effected tiles, cut tiles along the different subfloor joint. And either get an expansion joint or don't grout the joint and fill with Webber or mapei Silicon. I'd rip the lot up though and mech fix jackoboard then retile.

Ah vertical crack on a floor, 🤣🤣 you had me there ya ballocks ya. Like it ✌🏻
[automerge]1605202191[/automerge]

Chip board can't receive tiles, although bal claim they have a membrane that you can lay on any flat floor without and fixing method. And tile on top. I'd rip the floor and redo, if you don't want to do that you're best bet is to remove effected tiles, cut tiles along the different subfloor joint. And either get an expansion joint or don't grout the joint and fill with Webber or mapei Silicon. I'd rip the lot up though and mech fix jackoboard then retile.
[automerge]1605201947[/automerge]

Ah vertical crack on a floor, 🤣🤣 you had me there ya ballocks ya. Like it ✌🏻

Or maybe I'm talking to "Codeye" from WH flooring and tiling, if so wayne it's just a crack pal, not vertical or horizontal..