Cum sa iti contruiesti o barca ponton pas cu pas

First you need to buy the materials:
  Tow cubic meter of extruded polystyrene from insulation materials.
  6 pcs  wooden planks
  6 pcs threaded screw
  3 meters of fiberglass mash.
   Polyurethane foam
   Some hot wire machine to make a trench in polystyrene