Spanker International offers Transflex Polar PVC. Spanker International offers wide lines of doors & enclosures for all kinds of Industrial, Institutional, & Commercial usage. The unique full rib design of these strips lets the rib portion take the impact of truck and forklift traffic. This prevents scratching and tearing as well as grease and grime build up. The unique rib design keeps the strips cleaner, thus allowing them to be useful longer. Both surfaces have trapezoidal ribs spaced approximately 50 mm apart and off-set by 12 mm.