Advice needed on laying porcelain tiles

[Time's Ran Out]

What was that you were saying

I agree!

 

[Sam68MvAgusta]

I'd be more worried that you've packered underneath the joists, unless you've tapered the packers the full length of the joists you're going to get flexing near those packers and inevitably the chipboard will breakdown it's structural integrity, tiles cracking, grout breaking down and leaks, good luck with all that!

 

[Dumbo]

I'd be more worried that you've packered underneath the joists, unless you've tapered the packers the full length of the joists you're going to get flexing near those packers and inevitably the chipboard will breakdown it's structural integrity, tiles cracking, grout breaking down and leaks, good luck with all that!

Agree should be proper furrings ( if that is how you spell it )