[Porsche-O-Phile]

DuraCoat or the stuff you see around pools and on track surfaces and places like that? If it's the squishy feeling stuff it might be Mondo (makes a bunch of different surfaces for tracks and tennis courts & stuff) or Protectakote or RockSolid or Goddard (a few I'm vaguely familiar with and a couple popped up on a web search). I think it's just a rubber/latex kind of topcoating you can stick into Division 9 though... I'm pretty sure the stuff we used as a pedestrian walkway coating was the DuraCoat but I'd have to check...