Haha yeah I know mate no worries!
Yeah I've seen that by weber
I'm waiting on reply from architect, he's aware now, as am I!
And I'll be speaking with Tilemaster also.
As I said earlier, thank you for your question.
Might have saved me some grief!
I know 3_fall I ask all the time now, not worth the hassle taking chances. When I did the balcony I was on about everybody advised me not to tile it. The customer took responsibility for it, don't know if it survived or not that was about three years ago.