I have a 2005 Bounder 36Z. I noticed when finishing in the shower, I'm standing in water, as the shower floor is not pitched toward the drain at the door edge of the floor. I have to kick or squeegee the water into the drain. I've even pitched the RV a little toward the drain side, but the water only collects at the door edge of the shower. Seems like a design flaw.  I can't figure out why they didn't pitch and channel  the floor so it drained. I wrote Fleetwood previously but did not receive an answer. Any suggestions?