Tell us about yourself!
Question 2: I think i'm clear on how the wall pieces keep the edges waterproofed but how about for the entrance? Is it common to just not worry too much about waterproofing after the plane of the entranceway - after the area where the water's going to be actively flowing?
Question 1: In your install, waste water pipes get attached to the drain flange after the base install right? If so: why that way?
Question 3: Did you get paid for this product placement extravaganza!? ;)