Limestone tiles water marks days after being laid

[Leigh]

Hi I’m looking for some advice regarding some limestone floor tiles we are laying. They are coming up with water marks that don’t seem to be drying after around 5 days. They were laid on a bed of white adhesive which is fully across the tiles not just the corners. The floor was coated with pva.

Any advice on why this has happened and if the water marks will dry eventually would be great

 

[Just Rizzle]

the tiles are drawing in the moisture from the addy and if the tiles are sealed the moisture is staying in the tiles as the sealer is acting as a moisture barrier.
try putting a fan heater over the tiles it may help to dry them out

 

[Leigh2807]

the tiles are drawing in the moisture from the addy and if the tiles are sealed the moisture is staying in the tiles as the sealer is acting as a moisture barrier.
try putting a fan heater over the tiles it may help to dry them out

They haven’t been sealed yet so hopefully they will dry. I will leave it a week or so more and see what happens

 

[Dougs Third Go]

just a shot in the dark here, but have you been walking over them in bare feet? possibly sebum off the soles of your feet.

 

[Spare Tool]

After seeing the depth of adhesive on the back of that tile you've shown, maybe it's the angle but it looks as deep as your thumb in places so 20mm? These are going to take forever to dry out.. yes you've got pretty much full coverage but it looks well packed out ( if you think about it an open screed takes 1mm a day to dry naturally) Now the moisture has to slowly find its way out through the stone, even unsealed it's going to be a very slow process and the only way I can see of speeding it up, even a little, is going to be a dehumidifier and airflow..

 

[Just Rizzle]

They haven’t been sealed yet so hopefully they will dry. I will leave it a week or so more and see what happens

still put afan in as dry quicker than in still air

 

[Adam Steenson]

Was this issue resolved? We are currently having the same problem.

 

[D Steenson]

Hi, Did you resolve this issue? Did they dry out in the end? We have just had some Limestone floor tiles put down and are having the same issue.

 

[Dan]

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