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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Videos
How to assemble a gabion (WITH HELICALS)
How to assemble a gabion (WITH TYING WIRE)
How to use corner ties
How to use stone separating panels
Gabion rigidity test (COMPARING DIAMETERS)
PVC gabion rigidity test (COMPARING DIAMETERS)
Gabion deflection test
PVC gabion deflection test
How to brace a gabion with tying wire
How to cut gabion panels
Gabion wire diameter guide
How likely is a gabion basket to bulge?
How to assemble a gabion ( In 3 MINUTES)
How to make a gabion planter
How a gabion basket is manufactured
Recommended applications & uses
| PVC Coated | ||
| 3.2mm Wire Diameter | 4.3mm Wire Diameter | |
| Erosion control | ||
| Erosion control: river beds | ||
| Erosion control: reservoirs beds | ||
| Erosion control: canals beds | ||
| Coastal protection | ||
| 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 | ||
| Can be filled with crushed concrete | ||
| Can fill with rounded rocks | ||
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 |
Downloadable PDFs
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