Gabions Sea Defence
PVC coated gabions suited to sea defence applications. Used in coastal protection schemes, sea walls, revetments and erosion control.
Key info:
- 120-year lifespan in saltwater environments
- Corrosion resistant – BS EN 10244-2: 2009 (Class A)
- Suitable for C4 to C5 environments
Related: Gabion baskets
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Recommended applications & uses
PVC Coated | ||
3.2mm Wire Diameter | 4.3mm Wire Diameter | |
Erosion control |
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Erosion control: river beds |
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Erosion control: reservoirs beds |
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Erosion control: canals beds |
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Coastal protection |
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General | ||
Delivered as | Flat packed in small to large truck depending on order quantity | |
Delivered with | Delivered with FREE tying wire | |
Also available | Helicals for quicker assembly of the 4 vertical corners (ordered separately) | |
Also available | Corner ties to prevent bulging (ordered separately) | |
Can wires be cut | Yes – with a good wire cutter | |
Made in UK | Yes | |
Conforms to British manufacturing standard | BS EN 10223-8:2013 | |
Certificate of conformity | Yes – download | |
Construction | ||
Mesh Hole Size | 75mm x 75mm | 75mm x 75mm |
Mesh Material | Galfan coated steel with PVC coating | Galfan coated steel with PVC coating |
Mesh Construction | Welded | Welded |
Mesh panels joined together by | Stainless steel C Clips | |
Strength and environment | ||
Tensile strength range | 540-770 N/mm² | 540-770 N/mm² |
Corrosion resistance | Yes, conforms to British standard BS EN 10244-2:2009 | |
Abrasion resistance | Conforms to EN 60229:2008 | |
Life Expectancy | 120 years | 120 years |
Suited to Environments | C2 – C5 | C2 – C5 |
Disclaimer | Using iron-rich stone in coastal environments may lead to a slight discoloration of the coating. | |
Rocks / Filling / Installation | ||
Speed of installation | 2-5 mins each | |
Experience required to install | None – Download installation PDF | |
Speed up installation | Helicals (ordered separately) – use on 4 vertical corners instead of tying wire. Can also be used to attach the cages together | |
Save money | Stone separating panel (ordered separately) – allows you to backfill the cages with cheaper stone or rubble | |
Prevent bulging | Corner ties (ordered separately) – will brace the corners of the baskets together reducing bulging caused by rocks putting pressure on the metal panels | |
Rock size required | Minimum 80mm x 80mm | |
Requires angular, interlocking rocks |
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Can be filled with crushed concrete |
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Can fill with rounded rocks |
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Calculate Stone Quantity
- Use gabion stone calculator to quickly calculate the stone tonnage you need
- Use partitions to reduce the amount of rocks required and save money.
Gabion Dimensions (cm) | Gabion Volume (m3) | Bulk Bags of Stone Required | Weight of Stone Required (kg) | ||
45 | 45 | 45 | 0.09 | 1 | 164 |
97.5 | 45 | 45 | 0.20 | 1 | 197 |
97.5 | 97.5 | 45 | 0.42 | 1 | 770 |
97.5 | 97.5 | 97.5 | 0.92 | 2 | 1,668 |
150 | 45 | 45 | 0.30 | 1 | 546 |
150 | 97.5 | 45 | 0.66 | 2 | 1,185 |
150 | 97.5 | 97.5 | 1.43 | 3 | 2,567 |
202.5 | 45 | 45 | 0.41 | 1 | 738 |
202.5 | 97.5 | 45 | 0.89 | 2 | 1,599 |
202.5 | 97.5 | 97.5 | 1.93 | 4 | 3,465 |