Help - Grey Residue on Tiles after using Stainaway

[Davesax]

So the misses got me cleaning around the toilet where the kids ( cough ) had mised the toilet . I decided to use some Lithofin stainaway on our sandstone tiles , that I had from a previous job . It seems to bhe leaving a grey residue and the more I scrub , the worse it gets . The only thing I can think is it is the sealer ( satin LTP tile ) - I remember using two coats - what to do , how can I strip it right back . I'm thinking the only way is a wire brush wheel on the grinder?

Thanks for any help

 

[Davesax]

Bump. .

 

[DHTiling]

LTP topical sealer..

I would try LTP solvex.. or Grimex.. the stain away might have just dulled the topical sealer and not lifted the stain.. hence greying..

What finish is the sand stone and type.

 

[DHTiling]

Just checked what stain away can be used for and it should have lifted the old sealer off.. did you use neat are diluted..?


And the urine might need more than a sealer remover..

A poultice might work but depends on how ingressed it is..

 

[Davesax]

Thanks dave - the urine is the least of my problems . I used the stain away neat - i think I might just have to keep scrubbing and try some more - i'm using a wet vac at the same time . i'm pretty sure its taking the sealer off and thats what the grey is, I must have put quite a bit on originally.

 

[Davesax]

Sandstone is riven finish , I think it was called sunset sandstone - mainly for patios .