If the subfloor is wood waterproof it before using self leveler and before spreading mortar or adhesive.
How to install a shower tray on a wooden floor.
Might add that it will be sitting on green chipboard and i can t raise it up due to restricted headroom.
Typically shower trays are fitted to wooden flooring enabling you to access beneath.
This guide explains how to install a shower pan over existing plumbing.
Remove the taped down 1 inch by 2 inch boards cut them and nail them to secure the frame in place.
Drill screws into the bare floor between the inner and outer curb edges every foot or so and at every joint.
This will later help join the curb to the floor.
When you install a shower pan over a wooden floor this is not just an added line of defense for the floor it also prevents the wood from absorbing the concrete s moisture too quickly and allows it to cure properly.
Installing or fitting a shower tray is very much dependent on the type of tray you are installing and the surface it s being installed on.
Fitting or installing shower trays can be a diy job but the utmost care must be taken to ensure that the tray is both fully sealed waterproof and also totally level on the base it s sitting on once it s in place.
Pearlstone rectangular low profile shower tray.
How to install a low profile shower tray.
Assemble the wooden frame of the base with inner and outer edges of the curb.
Before you start you need to make sure that the floor beneath the tray is capable of supporting it.
Roofing felt to spread out over the wooden subfloor.
Shower tray installation guide.
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.
In the event that you cannot do this a special riser kit is required.
Fix an uneven floor using a self leveler.