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Sack gabions are cylindrical baskets engineered from double twisted hexagonal woven steel wire mesh.

The tubular units are filled with gabion stone at the project site and laced tightly shut. This modular unit is then used to provide erosion protection for river banks, scour protection of bridge piers, or any situation that requires immediate defence from the erosion effects of water. The sack gabions are lifted into position using suitable equipment and simply stacked upon one another to form a mass of contained rocks.

 

The mesh is made from high quality steel wire, which is heavily galvanised with our GalMac® zinc-aluminium (Class A to EN 10244:2) coating and an additional protective polymeric coating.

Sack gabions are supplied with steel reinforcing wires inserted during the manufacturing process to facilitate closing during installation. In order to reinforce the structure, all mesh panel edges are selvedged with a wire having a greater diameter.

Our new PoliMac® polymer coating has been added to our range of protective coatings. The new polymer recipe is unique to Maccaferri and has been developed to provide superior materials to clients that respond to the new demands of climate change, infrastructure resilience and increasing value. PoliMac® offers significant improvements over traditional polymer coatings including greater abrasion resistance, long-term UV protection and environmental benefits.

The mesh used to make sack gabions are manufactured in our factories around the world. The management and production system in many of our factories is certified in compliance with ISO 9001.

In selected factories, the mesh is produced in compliance with CPR – Construction Product Regulation 305/2011, having EC marking in compliance with ETA-09/0414. The management and production system is certified in compliance with ISO 9001 and ISO 14001 (related to the environmental management system).

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