Pontoons 3300K, 4300K, 5300K

Marinetek’s world famous K-series Breakwater units are massive, extremely strong and have a long maintenance free service life. Professionally designed by experienced engineers these units give the best attenuation performance in their category within the industry. The Marinetek Breakwaters with keels work best when the sea wave lengths is less than 26 m. The features include high freeboard, easy mooring through anchoring wells and exceptionally strong rubber/ steel connections. Mooring with Marinetek Mooring System, chain or Seaflex




Length (m)12,0216,0519,9016,0519,9016,0519,90
Width with fenders (m)3,33,33,34,34,35,35,3
Concrete width (m)3,03,03,04,04,05,05,0
Height (m)1,81,81,81,81,81,8 1,8
Weight (t)20,927,434,433,540,641,852,1
Net capacity (kN/m2)5,55,55,56,06,06,06,0
Freeboard (m)0,55 0,550,550,600,600,600,60
Strength of joint (kN)2×8122×8122×8122×8122×8122×8122×812
Joint gap (mm)9090 9090909090

Exact unit weight and freeboard are subject to detailed specification of the unit, equipment and mooring methods. Shown numbers are for standard and unloaded units. Marinetek operates a policy of continuous development and reserves the right to change specifications without notice.

Technische data

  • Concrete strength: 45 N/mm2 steel reinforced plastic fibre concrete. Exposure class according to European EN 206-1 standard
  • Core: Expanded polystyrene, density 15kg/m3
  • Reinforcement: Partly or fully hot dip galvanised steel