Grouting time - Tile Advice

[Gusiel]

Hello. I am seeking for advices pls. I have few questions as well ifanyone can shed a light on me pls . How long does it normally it takes before grouting pls and if floor is uneven is there a tool to be used to help even the layong of the tiles pls any help is much appreciated thank u

 

[J Sid]

How long before grouting depends on the tile used and which adhesive is used
If the floor is uneven then use a levelling compound first