Thanks for the responses everyone, really appreciate it.
Sorry if I was a bit unclear before: I was talking about a wall that goes across the width of the bus, so one side of the paneling is curved to match the curvature of bus side wall. That's where I need the flexible trim. Here's a pic of the place I mean: https://db.tt/PBFTfY26Cary and Don:
I can't get in my mind exactly what you mean about laying the crown molding flush to the wall and having a gap... sorry about the dense-ness, haha. I didn't think crown molding would work where I'm talking about because of the curvature... Does the 4107 have curved sides like an MC9?Charles in SC:
I will have to look into that, thanks for the tip!
I made up a crude steamer and steam bent normal timber mouldings