help with repolishiing marble & granite

[daz]

Hi all,

My clients cat has been sick on her marble tiles during the night and after cleaning, this has left a dull patch on the marble. How do I restore the shine?

On another job I have just layed some black granite floor tiles and noticed that on one of them the corner has not been polised up properly and stands out like a sore thumb (so annoyed i didn't notice at the time). it's only a tiny bit but being a perfectionist i'd like to make it look right. Any ideas apart from taking it up which will be hard as there is only a 1mm grout line.

In fact that's another problem on the same job. The grout (Mapei ultracolour plus from screwfix) says it can be used on timber floors but hasn't taken first time and has broken up in some places. Tiled onto 12mm ply with plenty of screws to floorboards. Going to rake it out in affected areas but any advice on what to do to avoid this problem? An additive maybe? It's only a small bathroom but i hate tiling on timber floors.
Looking forward to your expert advice..........
Thanks
Daz

 

[Fred]

Theres a tiler on here who can tell you all, he'll probably be on later...............unk:

 

[grumpygrouter]

Hi all,

My clients cat has been sick on her marble tiles during the night and after cleaning, this has left a dull patch on the marble. How do I restore the shine?

On another job I have just layed some black granite floor tiles and noticed that on one of them the corner has not been polised up properly and stands out like a sore thumb (so annoyed i didn't notice at the time). it's only a tiny bit but being a perfectionist i'd like to make it look right. Any ideas apart from taking it up which will be hard as there is only a 1mm grout line.

In fact that's another problem on the same job. The grout (Mapei ultracolour plus from screwfix) says it can be used on timber floors but hasn't taken first time and has broken up in some places. Tiled onto 12mm ply with plenty of screws to floorboards. Going to rake it out in affected areas but any advice on what to do to avoid this problem? An additive maybe? It's only a small bathroom but i hate tiling on timber floors.
Looking forward to your expert advice..........
Thanks
Daz

Think tha might be your problem. Not enough movement allowed for a timber floor. Ultracolor Plus specifies a minimum of 2mm for grout joint.

 

[wetdec]

On the marble try wet and dry but its been etched so should be replaced

The missed polished bit try some wet and dry will take some work but it should come up enough

The simple answer is your joints are toooo tight so your not getting enough fed in so there is little grab. Too much vibration possibly


..

 

[DHTiling]

Was there much deflection in the floor before you tiled it...?......

 

[daz]

didn't appear to be.

 

[daz]

take on board what you're saying. did check with local tile shop who said could be done although he did remind me that floor joints should be at least 3mm. Tight joint does look good with the granite tho. Think also might be drying out to quickly being natural porous stone?

 

[enduro]

I agree with wetdec, try wet and dry paper with water and if its etched then you will need to diamond polish it or replace if you cant do this, as for the unpolished granite you will struggle to get a shine on that by hand as its bloody hard, if you have a fein multimaster get the stone polishing kit for it from tradetiler.