Of the two designs these are generally a bit more complicated to install because they fit directly onto the floor with no gap in between.
How to install a shower tray on a wooden floor youtube.
If the subfloor is wood waterproof it before using self leveler and before spreading mortar or adhesive.
Before you start you need to make sure that the floor beneath the tray is capable of supporting it.
How to install a shower tray by building the base out of a timber frame topped with plywood and cement and applying silicone sealant around the shower tray.
I just wanted to check with someone that it was ok to cement the base directly onto a tongue and groove timber floor.
This guide explains how to install a shower pan over existing plumbing.
Good point about the ply raising the level of the floor.
How to install shower tray.
If the floor is not level the shower pan will not be able to drain properly.
The ratio for the mortar mix was 5 sand to 1 cement.
How to install a low profile shower tray.
This video shows how to install a quadrant shower tray onto a chipboard floor using a mortar base.
It is firm and pretty level.