Custom built jetty, floating pontoon. Custom fabricated on site in the Marlborough Sounds. 8 sealed chambers, fabricated from 12mm High Molecular Weight Polyethylene (HMWPE) Pressure tested and extrusion welded, treated pine decking, guide rails, tow eyelet. We can fabricate any shape and size pontoon to meet you requirements. Aquaculture jetties, working platforms. Jetties, pontoons, maratime working platforms, marine jetty construction, custom fabricated to your dimensions.