All sorts
They look good what size length and width and how thick and how much?I can make you a set of these
I will agree to this it will work, I used to work in a Rock climbing centre and I used to paint the walls similar to this, but adding a bit of glue in it too.Thread resurrection...
There is a budget solution (I do like budget solutions), 1 tin paint (same colour as floor if you like), 1 bag sand. Mix sand into paint. Paint floor. Let dry. Instant grippy 3m like feel, colour coded to car, and cheap as chips too!!!