Hardiebacker or no more ply?

[Blunt Tool]

As my mum used to say . Pick your feet up .

And what about if customer is in a wheelchair? Can't have floors all different heights.

 

[Dumbo]

Then they wouldn't of walked up a flight of stairs would they .

 

[Blunt Tool]

We are speaking about thresholds you are the only one speaking about stairs

 

[WetSaw]

Then they wouldn't of walked up a flight of stairs would they .

...not if they're in a bungalow..

 

[Dumbo]

...not if they're in a bungalow..

You're right . But in a bungalow likelihood is it would be a solid construction floor so tiling direct to screed which would involve minimal height build up. In fact possibly less than a good quality carpet and underlay .