Just thought I'd add my encounter with FastFlex to this thread. I have just cleaned my self up (just about) after laying some tiles in my hallway onto wooden floor boards. I applied 2 coats of Bal primer and after it had dried started to mix the FastFlex. I found it quite hard to get the right consistency, but eventually got the hang of it. I found you dont get 45 mins worktime as it says on the bag, more like 15. Anyway I came on here to see what other people think of it, because I couldnt believe how difficult the stuff is. I am glad there are other people who think the same, because I was about to pack this in before my career even started!
ps nice job pete