ROCK FILTER
Roman Stone Rock Filter Bags provide unparalleled scour protection for a variety of subsea infrastructure projects such as wind turbines, bridges, ports, wharfs, pylons and undersea cables. They’re also ideal for span correction and protection of undersea cables.
NATURAL PROTECTION FOR THE ENVIRONMENT
Durable
- Proven durability under UV exposure up to 50 years submerged
Sustainable
- Made from more than 60% recycled materials
- Delivered via boat, reducing carbon emissions associated with trucking
Flexible
- You can use multiple bags to fill spans or contour into the most uneven surfaces
Easy to Handle
Installed quickly and efficiently using common handling equipment
Available in a variety of sizes and weights
| Type | 2te Rock Bag | 4te Rock Bag | 8te Rock Bag |
| Mesh Size | 25mm | 25mm | 50mm |
| Rocks Particle Diameter | 50~200mm | 50~200mm | 75~200mm |
| Unit Weight (Rock Bag Empty) | 6kg | 13kg | 48kg |
| Dimensions in Meters (Rock Bag Installed) | 1.9m Diameter
0.4m Height 1.24m3 Volume | 2.4m Diameter 0.6m Height 2.5m 3 Volume | 3.0m Diameter
0.7m Height 5.0m3 Volume |
| Applicable Velocity | 3.1m/s Unit 4.7m/s Grouped | 3.5m/s Unit
5.3m/s Grouped | 3.9m/s Unit
5.9m/s Grouped |
Specific Gravity of Rocks 2.5–2.55
Available in a variety of sizes and weights.
Specific Gravity of Rocks 2.5–2.55
Partners in Progress
We license technology through a partnership with Subsea Protection Systems Ltd. (SPS), a worldwide leader in subsea and stabilization products.
