self-levelling screed

Hi, I have just poured some Mapei Ultraplan 3240 self leveller down to level the floor prior to fitting a shower tray. It says that it is walkable after 4-5 hours, does that mean I can install the shower tray after 4-5 hours or do I have to wait for the leveller fully cure first? Thank you!

Hi all, possible long shot, but here goes: sliding wardrobe door bottom track sits on the wooden floorboards, but they aint level and as the wardrobe IS vertical then the doors won't run straight if you get my drift, plus they slide down to one end all on their own. I did try using shims to...