... as slip, puncture wound by broken sawdust, rusty nails.DurablePontoon(Modular float) is made from High Molecular Weight HDPE, with ... single layer : 325 kg /m2.Maintenance freeLifespan of pontoon(Modular float) is above 15 years without any maintenance or repair ... plastic floating wharf, water platform docks,plastic quay, marine dock,walkway on water, dock floats, floating cubes, pontoon cubes, multi ...