Wilson Distribution, Inc.Rebersburg,, PA, United StatesUpdated Aug 2004plastic pontoon modules (Low linear density poloethylene) in modular lengths and diameters...i.e. 24" DIA, 30" DIA, 36" DIA...for pontoon boats, barges, floating platforms, dredges, docks, pumping stations..modules are foam filled with closed cell foam. Wall thickness 1/4" to 3/8" ; Molded stainless 3/8" steel threaded inserts to attach decking members to pontoons.View profile