Epoxy grout haze - TilersForums.com

[GlasgowMan]

Hi any info on get rid of epoxy grout haze on natural stone would be much appreciated. I’ve used 4 parts water to vinegar before on another project and worked great on flat surfaced tiles but apparently you cannot use any vinegar on stone. Few Mapei cleaners I’ve checked out say don’t use on stone. Before grouting stones were sealed twice. Already tried warm soapy water then cleaned with rinsed out grout sponge.

 

[GlasgowMan]

Any help would be great 😐

 

[Dave]

Hi. What stone is it and which epoxy grout ?

 

[GlasgowMan]

Hi. What stone is it and which epoxy grout ?

Natural stone pebbles and used Mapei ultracolour plus. Warm soapy water never worked. I used a general stone cleaner with a wee scrubbing brush. It’s made it a bit better but haze still there.

 

[Dave]

Morning. Ultra colour plus isn’t an epoxy grout. You probably have polymers left on the surface. There are a few products out there that will help.
Try this one >>> https://www.tilinglogistics.co.uk/e...of residue left,which allows for discreet use.

 

[GlasgowMan]

Morning. Ultra colour plus isn’t an epoxy grout. You probably have polymers left on the surface. There are a few products out there that will help.
Try this one >>> https://www.tilinglogistics.co.uk/ecoprotec-resin-polymer-and-epoxy-residue-remover#:~:text=The removal of residue left,which allows for discreet use.

Great I’ll order this. Thanks for your help 👍🏻

 

[Dave]

Great I’ll order this. Thanks for your help 👍🏻

No problem, let us know how you get on.

 

[Samerlam]

Hi there I wish you used kerakoll epoxy as it’s a much better product that also has a by product you add too the water when washing off that doesn’t leave that white residue your talking about. I’ve used the mapei epoxy before and had that same problem and hear it all the time with that specific product. I can only suggest phoning mapei or emailing them and getting their advice but if it wasn’t used properly/washed off properly it’s gonna be near impossible too remove especially from natural stone.

 

[GlasgowMan]

Thanks for the reply, but I’ve been made aware that the Mapei grout that I’ve used isn’t epoxy grout, my mistake. But still trying to get the haze from the grout that I have used 🥴

 

[Dave]

Thanks for the reply, but I’ve been made aware that the Mapei grout that I’ve used isn’t epoxy grout, my mistake. But still trying to get the haze from the grout that I have used 🥴

Do they darken when you wet them ? . You could use a colour enhancing sealer on a small bit and see how that drys.

 

[GlasgowMan]

Yeah they darken when wet, although I sealed them twice. Contacted Mapei and they’ve advised I try

ULTRACARE HD CLEANER​

 

[Dave]

Yeah they darken when wet, although I sealed them twice. Contacted Mapei and they’ve advised I try

ULTRACARE HD CLEANER​

Ye i know you sealed them but if you grouted too early without giving sufficient time for the sealer to fully dry , you can simply wash off the sealer. Hence why they darken when you wet them.

 

[GlasgowMan]

I followed sealer instructions and waited 3 days before grouting. Hopefully Mapei stuff I’ve ordered does the trick

 

[GlasgowMan]

Used the Mapei stuff a few times and it’s made a difference. It’s the best it’s going to get I reckon. With the stones having the smallest of hairline natural cracks in them etc I’m never going to get to them. I’m happy with the outcome 👍🏻