Gabion Stone Calculator
Follow the steps below to calculate the amount of stone tonnage you require to fill your gabions.
The calculator will also give you a quote for the number of stone bulk bags stone you will need for your job.
- Suited to retaining wall applications
- Sold in bulk bags of approx. 800-850kg (limestone) – 850-900kg (granite)
- The stone will arrive unwashed and may contain 5-10% fine material.
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Application / Comparison Table
| Application | |||
| Granite | Limestone | Gritstone | |
| Click to view close up of the image |  |
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| Retaining Walls |
Yes, they are required Angular, interlocking stones are needed for these types of applications. (Rocks found on site can also be used as long as they are irregular shapes which allow drainage) |
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| Sea Defence | |||
| Erosion Control | |||
| Furniture: can be sat on |
No, they are not required. Gabion stones can be used for these applications but they are not required. |
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| Freestanding wall | |||
| Fences: tall/thin structures | |||
| Planters | |||
| Cladding | |||
| Decorative | |||
| Suited to Gabion dia. | |||
| 3mm |
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| 4mm |
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| 5mm |
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| 3.2mm |
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| 3.8mm |
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| Mattress |
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| Delivery | |||
| Delivered as | Bulk bag on a pallet | ||
| Delivered by | 18 Tonne vehicle | ||
| Weight per bag | Between 800kg – 900kg (may contain 5-10% fine material.) | ||
| Size per bag | 1m (length) x 1m (Depth) x 1m (Height) | ||
| Delivery condition | Rocks are freshly quarried and unwashed. They can be hosed or rain will wash away dirt. | ||
| Delivery locations | Anywhere in the UK | ||
| Attributes | |||
| Material | Granite | Limestone | Gritstone |
| Colour | Silver grey | Sandy | Light browns |
| Colour disclaimer | Stone is a naturally occurring mineral so the colour will vary from the images on our website. | ||
| Weight disclaimer | Bags may contain an additional 5-10% of fine material. | ||
| Shape of stone | Angular and interlocking to reduce pressure on the sides of the gabions | ||
| Rock size | Range between 80mm – 200mm | ||
| Frost Resistant |
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| Allows water to drain |
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| Quarried in UK |
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| Filling & Installation | |||
| Requires hand laying | Yes. | ||
| Can be machine filled |
It’s possible but not advised. When tipping stones from a JCB into the gabions the walls will buckle. Download Machine Filling Guide
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How to Fill & Save Money
| Partitions | |
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Partitions are a cheap way to backfill cages. The partition creates a separate compartment at the back of the cage. This compartment can be filled with cheaper material as long as it is 80mm+ and can drain water PRO
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| Rubble Sacks | |
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Rubble sacks are a cheap way to backfill cages. The sacks should be permeable and filled with hard rubble larger than 10mm+ which can drain water PRO
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| Machine Filling | |
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It is possible to fill the cages with a machine such as a JCB but it makes bulging more likely Add support poles and partitions to reduce the likelihood of bulging. Hand filing is still required at intervals to fill in voids left by the machine PRO
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