Thickness (or depth) of floor tiles inc. grout.

[Draughtsman]

I'm putting a horned threshold(cill) in the bottom of a new door frame, because there's a step down from the hallway.

And I'd like tiles in the hall, to back of cill.

Do 330x300 floor tile thicknesses vary much?
What is standard grout thickness?

I need to set the cill top at the right height..

Thanks,
Dain

 

[ktuludays]

Choose your tiles and work from there.

Do you mean adhesive thickness instead of grout? Typically a 5mm bed of adhesive is sufficient. Is the floor concrete that you'll be tiling onto? If not it may need ply lining first which will add to finished height of tiles