Transit Wax

[Stef]

Be careful, the transit wax might also be on the edge of the tiles as well, grout doesn't stick too well to that !

Cheers Tubs, it only looks like the face of the tile.
Going to test a tile shortly & see easiest way round it.

 

[Dave]

How neat did you try the grimex Dave?
I didn't want to use the Wexa too neat but I'm back on the job tomorrow & will try & see what's going to work.

3:1 usually ok but can be stronger if required .