... , puncture wound by broken sawdust, rusty nails.DurablePontoon(Modular float) is made from High Molecular Weight HDPE, with other ... layer : 325 kg /m2.Maintenance freeLifespan of pontoon(Modular float) is above 15 years without any maintenance or repair. ... walkway on water, dock floats, floating cubes, pontoon cubes, multi float pontoon,, gangway, floating wooden house, floating deck, yacht docks, ...