I need to pick up a bag of flexy black grout for a job next week(6m2 floating floor overboarded with plywood and will be using Fastflex Adh) i am open to suggestions to which brand/type.Never had to use black in the past,but have heard some stories of it being a bit tricky

Floating floor

BAL micromax ebony is the only one I can recommend as it's all I've used. Fast setting, flexible and can cope with joints 2mm to 20mm. Steer clear of the butech (porcelanosa) horrid stuff! Another thing, make sure you change the water frequently when washing down.

Just another thought, what tiles are you fitting? The reason I ask is this grout is quite coarse and can scratch things such as chrome trims and some glazes on tiles. Test an offcut first if you are unsure.

I wouldn't bother what brand,,,,chances are that if it's a floating floor you'll be raking it out soon

Gulfstone? I was going to steer clear of Micromax because of reports that it is on the coarse side.

Originally Posted by doug boardley

I wouldn't bother what brand,,,,chances are that if it's a floating floor you'll be raking it out soon

Did a large slate floor a couple of years ago with the same method,still not cracked yet!

....got lucky then

Originally Posted by wrighty

Did a large slate floor a couple of years ago with the same method,still not cracked yet!

Doesn't make it right though does it, if that floor has any deflection then it will fail.
The old ,oh! I have always tiled them with no problems is not good enough IMO



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bal superflex charcoal

as doug says chances are you could be raking it out again soon...........but the most flexable grout ive found would be bal grout (black) with GT1 admix.

Is it a true floater? Or is it sat on joists? If it a floater then you are a braver man then me.

I use Mapei products and Ultracolor plus on floors and their KeracolorFF but I would imagine that a 2-part grout would be more flexible.

Originally Posted by andy allen

as doug says chances are you could be raking it out again soon...........but the most flexable grout ive found would be bal grout (black) with GT1 admix.

id go with this route now