We supply non-weathered rock for gabion and rip rap protection and feature structures, many colors are available, sizes 100-250mm.
Quality Gabion Baskets require quality rock infill.
We can offer suitable rock supply depending on the site for Gabion installation, often the rock supplier does not have rock stockpiled and we do try to provide the necessary information for obtaining the material.
We also offer expert advice regarding the best rock specifications for your particular requirement.
The rock we recommend must be un – weathered and solid without flaking or weathering evident.
The correct size to be used must be 100 – 250 mm size for gabions (for 0.5 or 1 m high baskets).
With river mattresses the rock size is 60 mm – 2/3 the mattress thickness so that at least two layers of rock can be used in the mattress layer thickness, this is dependent on the mesh opening size and for the 80 x 100 mm mesh the minimum rock size is 80 mm.
Small rock fragments must not be used on the surface of either gabions or mattresses in river course situations as the fine material will be removed in high water flows.
Always check that the rock size is bigger than the hexagonal mesh opening, within the centre of a gabion basket smaller rock may be used and limited to the centre of the gabion only.
Soft rocks and brick fragments are not suitable due to its capacity to absorb water and soften over time, flat rock is usually not adequate as it does not provide for the same mechanical interlock in the gabion provided by blasted angular rock, rounded river rock is ok, however is does harm the environment after removal and it is more difficult to obtain a flat gabion facing.
Usually the rock density should be a minimum of 2.6 tons/m3, with an average void ratio of 35% (also allowing 30 % for waste/fines) we generally recommend about 2 tons of rock per m3.
The rock should be placed as close to the packing position when offloaded from the truck to reduce double handling on sites, this sometimes becomes necessary and can delay the packing of the baskets. In our experience we have found that labor can pack 1 – 3 m3 of Gabion per man per day, to be conservative we generally allow for 1 man / m3 / day.
The rock and labor prices normally amount to approximately 33% each of the final completed gabion cost, the other 33% is made up from the Galvanised basket cost, with PVC coated baskets, we add about 15% to the overall cost of an installed basket.
Kindly contact us for any further information, advice or rock supply you may require.
Gabions and river mattresses
Roads
Concrete retaining walls
Sports fields
Railway tracks
Behind concrete walls and Embankments
Provides waterproofing qualities for layer works and wearing courses
The separation of good and poor roadway layer work materials
roads over soft soils
Gabion structures
landfill sites
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Gabion Bailey Bridge Support Structures that combine the strength of modular Bailey bridges with the stability and cost-effectiveness of gabion abutments.
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South African manufactured Class-A Galvanised or with Grey PVC coated Hexagonal woven mesh or Square Weldmesh baskets and mattresses.
Protect the integrity of your gabion basket installation with high-quality geotextiles between your gabion structures and the soil.
Sandbags are an ideal solution when it comes to soil erosion protection, and diverting floodwaters away from sensitive installations or homes.
These blankets promote vegetation growth when combined with your gabion structure and help retain the important topsoil.
Heavy rocks need heavy transport. Our Barrows were specially designed to transport our quality products.
Hexagonal woven mesh is the perfect product for rockfall mesh netting and to cover large areas of river mattresses quickly.
Fully made up Gabion baskets or mesh rolls/panels are offered for more flexible use on building or civil engineering construction sites.
This cylindrical-shaped sack gabion is filled to 75% capacity with rock and used in restricted areas or to act as foundation for gabion river structures.
Only need a small retaining wall up to 1.5m height? Why not use local rock with our small 300 x 300mm cross-section Gab-Bloc Gabion?
The smaller Garden Gabion can be used at home for terracing and smaller Gabion retaining walls, or even internal feature/ decorative walls, or raised garden beds.
We offer a custom designed, suited to feature aesthetically pleasing Gabion Planter feature which is sure to turn heads and get lots of interest.
These units are suitable for filling with earth, sand, gravel, crushed rock and other granular materials.
We supply non weathered rock for gabion and rip rap protection and feature structures, many colors are available, size 100-250mm.
We supply a tool kit that makes the installation process much easier and neater.