Gabion Boxes
GTIPL gabion is a rectangular wire mesh box comprised of three one half turns (commonly called double twisted) to form hexagonal shaped mesh openings of Zinc galvanized and PVC coated steel wire. These mesh openings are then interconnected with adjacent wires to form hexagonal meshes. Selvedge / Edge wire which is a thicker and heavier wire is used to reinforce the edges and transverse diaphragm. It gives greater rigidity and shape to the gabion/mattresses/netting.

These Gabion boxes are filled with natural stones at the project site to form flexible, permeable, monolithic structures such as Retaining walls, sea walls, channel lining, revetments, and wires for erosion control projects.

The diaphragm assure minimum stone migration within the basket, thus gives strength to the container to retain its original shape and does not unravel or unzip in adverse conditions. Woven units can also be easily amended on site and shaped to suit project requirements.

The wire used to manufacture the Double twisted Hexagonal wire mesh is soft annealed, low carbon content mild steel wire provided with heavy coating galvanizes as per EN 10244/ASTM A 641 to prevent corrosion. In case of use in aggressive environments, it is further extruded with 0.5mm thick PVC Coating. The PVC coating is UV stabilized as per ASTM A 975.

Quality Assurance & Testing Facility:

GTI ensures 100% quality assured products by means of a well laid out Quality Assurance Plan complying with ISO 9001:2000 norms and meeting the quality standards as per international norms such as ASTM and EN. To ensure the quality, regular in house tests are conducted on the raw materials such as wire as finished products. GTI is well equipped with the necessary test equipments to carry out the tests. To ensure the quality of G.I Wire (Raw Material) we use our self manufactured GI Wire in our sister unit at Nepal (PWP) where we have full control over the quality of our raw materials and intermediate products as well as all the processes.
Different Sizes of Mesh with Their Characteristics
Mesh types and sizes
Mesh Type 'D' Nominal Size, mm Tolerances
10 x 12 100 16% to - 4%
8 x 10 8 x 10
6 x 8 6 x 8
Mesh & Box characteristics for GTI Gabion Mattresses
Mesh Type 10 x 12 8 x 10
'D',mm 100 83
Wire Type Only Zinc Coated Zinc + PVC Coated Only Zinc Coated Zinc + PVC Coated
Mesh Wire Dia, mm 2.70 3.00 3.00 2.70/3.70 * 2.70 3.90 3.00 2.70/3.70 *
Edge/Selvedge wire Dia,mm 3.40 3.90 3.90 3.40/4.40 * 3.40 3.90 3.90 3.40/4.40 *
Lacing Wire Dia, mm 2.20 2.20 2.20 2.30/3.20 * 2.20 2.20 2.20 2.30/3.20 *
PVC coating thickness, mm N.A   Nominal - 0.50
Minimum - 0.38
N.A   Nominal - 0.50
Minimum - 0.38
Typical sizes Length x Width
x Height (m)/Number of
4 x 1 x 1/3 Nos, 3 x 1 x 1/2 Nos, 2 x 1 x 1/1 No, 1.5 x 1 x 1/0 No, 2 x 1 x 0.5/1 No,
3 x 1 x 0.5/2 Nos, 4 x 1 x 0.5/3 Nos,2 x 1 x 0.3/1No, 3 x 1 x 0.3/2 Nos, 4 x 1 x 0.3/3 Nos
Tolerances in size of Gabion
Length & Width +/- 5% : Height > 0.3m +/- 5% and Height <=0.3m +/- 10%

* Internal Diameter / External Diameter of PVC Coated Wire
Only standard sizes of Gabion Boxes are indicated in the table above. Special sizes can also be ordered as agreed between the purchaser and manufacturer.

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