Solid floor method

[bathroomboy]

Am I right in this procedure=

1 Lay and mark former out area
2 Cut round with disc cutter
3 Dig out concrete to over depth of tray
4 Fix gully in position
5 Screed tray area and lay tray and fix gully
6 Tank

 

[DHTiling]

...needs to be solidly fixed..

 

[bathroomboy]

Just been looking on the impey website and it's near enough the method they recomend.