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Old Mod
You're not giving enough information I'm afraid, you won't get the correct advice if u don't.
That's why you're being advised to find someone who can take a look at it for you.
The images are not as helpful as they could be.
The PVA that u have used needs to be removed before you do anything.
Sanded off concrete, washed off tiles if poss if they're non porous.
If that is what's known as 'black' adhesive on the concrete floor u need to use product like Mapei Eco prime like has been suggested or Tilemastermaster Prime and grip. These are pre mixed slurry primers. Or u make your own with 1-1 tiling SBR and water with 30% tile adhesive, by weight.
Do you now see how complex this could be?
I'm afraid it's not just a case of slapping them down with flexi adhesive.
Sorry if this is blunt, but if u do seriously want to make headway before Tuesday this is what u are faced with.
That's why you're being advised to find someone who can take a look at it for you.
The images are not as helpful as they could be.
The PVA that u have used needs to be removed before you do anything.
Sanded off concrete, washed off tiles if poss if they're non porous.
If that is what's known as 'black' adhesive on the concrete floor u need to use product like Mapei Eco prime like has been suggested or Tilemastermaster Prime and grip. These are pre mixed slurry primers. Or u make your own with 1-1 tiling SBR and water with 30% tile adhesive, by weight.
Do you now see how complex this could be?
I'm afraid it's not just a case of slapping them down with flexi adhesive.
Sorry if this is blunt, but if u do seriously want to make headway before Tuesday this is what u are faced with.