What surfaces to prime

[beanz]

Looks nice. Limestone grout would be my choice

 

[True Tiling]

6mm? I'm presuming this a newly poor-build green chipboard? The real thing to look out for here is STABILITY and MOVEMENT. Place a glass of water at one end of the room and jump up and down on that green chipboard. If it makes the water shake, then don't tile this floor! Simple as that. If it doesn't, then lace it with min 9mm (I meant 25 mm) screwed down every 300mm centres and get it tiled!

- - - Updated - - -

6mm? I'm presuming this a newly poor-build green chipboard? The real thing to look out for here is STABILITY and MOVEMENT. Place a glass of water at one end of the room and jump up and down on that green chipboard. If it makes the water shake, then don't tile this floor! Simple as that. If it doesn't, then lace it with min 9mm (I meant 25 mm) screwed down every 300mm centres and get it tiled!

- - - Updated - - -

6mm? I'm presuming this a newly poor-build green chipboard? The real thing to look out for here is STABILITY and MOVEMENT. Place a glass of water at one end of the room and jump up and down on that green chipboard. If it makes the water shake, then don't tile this floor! Simple as that. If it doesn't, then lace it with min 9mm (I meant 25 mm) screwed down every 300mm centres and get it tiled!

- - - Updated - - -

6mm? I'm presuming this a newly poor-build green chipboard? The real thing to look out for here is STABILITY and MOVEMENT. Place a glass of water at one end of the room and jump up and down on that green chipboard. If it makes the water shake, then don't tile this floor! Simple as that. If it doesn't, then lace it with min 9mm (I meant 25 mm) screwed down every 300mm centres and get it tiled!