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There are three main ways to anchor pontoons:

  • chain anchoring with concrete anchors;
  • pile anchoring with mooring piles;
  • anchoring with mooring diagonals.

Chain anchoring

Chain mooring scheme Andry Prodel +372 5304 4000

In the Nordic ice conditions, the cheapest and most popular mooring way is to use a combination of concrete anchors and mooring chains. Only a sufficient water depth (1 m) and the right chain length (five times the water depth) are required.

Chain anchoring is designed for securing the vessel horizontally, while retaining its ability to move up and down with water.

Anchors are designed as self-anchoring, and their mounting loops and reinforced concrete are resistant to seawater and to the strong hits from rocks and ice.

The size and quantity of anchors is selected based on the type of substrate and the size of the pontoon. You can increase the anchor’s force by adding extra weights that are attached to the middle of the chain.

Technical specifications

Extra weightWidth x length x height (mm)Mounting loops / mooring chain (mm)Using locations
50 kg extra weight400 x 400 x 17513As extra weight on a boat pontoon
200 kg extra weight600 x 600 x 31013As extra weight on timber pontoons with concrete floats
500 kg anchor900 x 900 x 27016 / 13–16Anchor for a swimming pontoon, boat pontoon and 40 l and 60 l mooring buoy
1,000 kg anchor1000 x 1200 x 3602 x 18 / 16Anchor for a boat pontoon, timber pontoons with concrete floats, and for 60 l and 120 l mooring buoys
2,000 kg anchor1200 x 2000 x 362 x 22 / 16–20Anchor for a timber pontoon with concrete floats and a 120 l mooring buoy

Pile anchoring

Pile mooring scheme Andry Prodel +372 5304 4000

The pile anchoring can be successfully used in pontoons that are parallel to the shore and are located at low depths (max 2 m) and have a soft bottom.

Pile mooring is a very secure fastening option, but due to its rigid fixation, there is a great risk that ice will damage the floating pontoon and shifts the piles from their place. For this reason, the use of pile mooring is most common in southern Europe and other permanently warm areas.

In the Nordic countries, the piles must be dismantled every autumn and the pontoon has to be lifted out of the water. In the spring, the piles have to be installed again – this is the only way to prevent damage to the posts by ice.

Diagonal mooring

Diagonal mooring is used little, and in exceptional circumstances when the pontoon is very close to the shore and there is no room for chain mooring. The reason is that there is a risk of damage from ice in the winter, and the connections of the fastenings tend to rumble and squeak when moving around.


Chain anchoring set for a Swimming Pontoon168 €
Concrete anchor 200 kg 2 pcs110 €
Chain 10 mm 10 m50 €
Shackle 12 mm4 pcs8 €
Chain anchoring set for Boat Pontoons372 €
Concrete anchor 500 kg 2 pcs240 €
Chain 13 mm 15 m120 €
Shackle 16 mm 4 pcs12 €
Chain anchoring set for Timber Pontoons with Concrete Floats712 €
Concrete anchor 1000 kg 2 pcs432 €
Chain 16 mm20 m260 €
Shackle 20 mm4 pcs20 €
Chain anchoring set for All Concrete Pontoons1 258 €
Concrete anchor 2000 kg2 pcs614 €
Chain 20 mm30 m600 €
Shackle 25 mm4 pcs44 €
Pile anchoring
Pile anchoring for Swimming Pontoons118 €
Pile anchoring for Boat Pontoons223 €
Pile anchoring for Timber Pontoons with Concrete Float564 €
Pile anchoring for All Concrete Pontoons806 €

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