Fine Mesh Metals
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Please call us for advice, to get prices over the phone or to place an order. A member of our sales team will be happy to take your call (01902 504 005)

Gabion Information



GABION BASKETS - Click here to order

Stabilisation of earth movement - gabionsGabions are used in many situations including the stabilization of earth movement and erosion, river control, reservoirs, canal refurbishment, landscaping and retaining walls. They can be manufactured in welded mesh or woven wire. Welded mesh gabions are faster to erect and do not need tensioning. This allows them to keep their shape, to be free from bulges and depressions and fit easily against the wall. It is possible to cut holes in them if needed to pass pipes etc through and they can be machine filled.

We also sell to the public for bespoke or small projects.

gabions used in garden design


Gabions are customisable and we can fabricate curves for home garden use. The picture to the left of this is a great example of our gabions displayed at the Chelsea Flower Show. As you can see the gabions can be planted in to soften edges. If used for a seating areas slabs can be cut and placed on top of the wall to make a striking feature. When used for a landscaping purpose their versatility is limited only by imagination. For example wine bottles have been used as an infill, or a recent trend is to half fill with stones and half fill with timber logs. FMM can insert a partition at the front of the gabions in order that expensive stone can be used at the front whilst the rest of the gabion can be filled with lower quality aggregate. We also can offer bespoke gabions for specific designs from curves to steps.

An example of a domestic project is shown below. In this case over a weekend a family dramatically improved their back garden, clearing away an old fence and installing a smart gabion wall. Gabions are easy enough to install that no experience is necessary to get a good result.

pre gabion wall image Post gabion wall image

 

gabion wall image used by hillsWelded Mesh Gabions are manufactured from Galfan Wire or triple life coated.

3" x 3" (76.2mm x 76.2mm) x 3, 4 or 5mm Galfan coated (95% Zinc 5% Aluminium for up to 4 times the life of a galvanised finish, see attached data sheet for comparison with standard galvanising) welded mesh Gabion baskets wire as per EN 10218-2.  All mesh panels used to produce our baskets are European sourced and conform to EN10244-2 with a tensile range of 540-770N/mm2, steel grade 0.10% Carbon max, Weld sheer strength minimum 75% of the tensile strength of the wire.

We also supply gabion baskets in the same specification as the above but with a 2.7mm Galfan coated core which is then green PVC coated to an over all diameter or 3.22mm, average coating thickness is no less than 0.25mm, PVC coating is compound UV stabilised as per ISO4892-2.

Plastic coated units are most suitable for coastal projects. The Gabions comply with the Department of Transport White Book specification, as detailed in section: 6.26/4, and amended August 1994.

gabions used for walkwayGabion boxes and Mattresses are made from 76.2mm x 76.2mm nominal (3" x 3") Welded Mesh, divided by diaphragms at 1 metre centres where necessary with wire diameters 3mm, 4mm or 5mm.

3mm diameter wire is used on lower retaining walls, 4mm diameter wire on medium to high retaining walls and the heaviest 5mm wire for the highest structures. FMM also fabricate our baskets in mixed diameter wire panels for clients where cost saving is important.

GABION CLADDING

Gabions used as cladding can provide an attractive finish to buildings, walls and many other situations. Gabions of 0.3m to 0.5m are generally used and need to be attached to the existing building using clamp bars. At heights of 4 to 5m 4mm dia wire baskets should be used and above this height 5mm dia wire. The baskets are supplied with internal diaphragms dividing the basket into partitions of not more than 700mm square

 

GABION FENCING

gabions used for fencing imageGabions have now become an important feature in many situations and  the construction of thin walls made from narrow depth gabions have become very popular. As they require vertical faces and are narrow depth, extra support to provide stability is necessary. This can be provided by using metal or concrete posts at regular intervals inside the gabion basket.
Fine Mesh Metals supply a range of baskets specifically for this purpose made from 4mm dia wire to provide the added strength required to prevent deforming of the face, with minimum basket depth of 0.3m preferably 0.5m. The baskets are supplied with internal diaphragms dividing the basket into partitions of not more than 700mm square.

Below are the standard sizes we stock we can produce any size. It is best to keep to the sizes specified to minimise costs. If you do require a certain height try to keep to combinations of 75mm the mesh size to give full squares.


Box Gabions
Specification in Meters
Diaphragms Capacity cu. metres
0.5 x 0.5 x 0.5
0 .125
1 x 0.5 x 0.5
0 .25

1 x 1 x 0.5

0 .5

1 x 1 x 1

0 1
1.5 x .5 x .5
0 .325
1.5 x 1 x .5
0 .75

1.5 x 1 x 1

0 1.5
2 x 0.5 x 0.5
1 .5
2 x 1 x 0.5
1 1
2 x 1 x 1
1 2
3 x 2 x .3 (Mattress)
3 1.8
Sets of gabion steps 1m or 2m wide
0  

 

gabion wall design and mattresses

Mattresses are useful when trying to avoid erosion in streams the mattress goes into the river and underneath a gabion wall to stop the river undercutting the wall at the edge where the water speed is fastest.

Mattresses
Specification in Meters
Diaphragms Capacity cu. metres
3 x 2 x 0.300
2 1.80
3 x 2 x 0.225
2 1.35
3 x 2 x 0.150
2 0.90

 

Available In the following Specifications

 

image of 2 gabion baskets filled with stonesTriple Life/Galvanised
76.2 x 76.2 x 3mm
76.2 x 76.2 x 4mm
76.2 x 76.2 x 5mm

Plastic Coated
76.2 x 76.2 x 2.7/3.2mm

Also available with 50 x 50 x 3mm faces for smaller stone infill

 

 

 

Weight of Filling Materials

Stone Fill

The stone fill should be in accordance with the engineers specification and needs to be a hard and durable material. The gabion/mattress fill should be not less than 100mm and generally not greater than 150mm with 90% being retained on a 100mm diameter ring. For a more attractive finish hand packing to the face is required prior to machine filling.

Material Average kg/m3
Basalt 1650
Brick 1240
Broken Concrete 1340
Granite 1600
Limestone 1440
Sandstone 1390
Shingle 1500
Slag 1500
 
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