Hello, sorry about the blank question lol .. I’m a brick mason and i have a little knowledge about tile floors but know nothing about a shower pan .. I’m building one in my own house that measures 4’6″X 6′ and will have a bench all the way across underneath the shower head .. I watch your videos over and over and I think I can do it but I don’t know if you use Portland cement or just regular Type N mortar .. If u could let me know I’d appreciate it very much. 

Thanks, Chris