
Erosion and sediment control professionals face a constant challenge: keeping loose soil in place during construction, restoration, and landscaping projects without introducing materials that create long-term environmental problems. Runoff from active job sites, disturbed slopes, and unstabilized channels carries sediment directly into nearby waterways, often violating environmental compliance standards and damaging aquatic habitats in the process. This is where coir wattles for erosion control have become a trusted solution for engineers, contractors, and site managers across the country.
Among the most reliable options available today is BioD-Watl, a fully biodegradable coir wattle engineered for sediment control on construction sites, infrastructure projects, and restoration areas. Its simple design, natural materials, and proven filtering performance make it a practical alternative to synthetic sediment barriers.
Understanding Coir Wattles and Their Role in Sediment Control
Coir wattles are cylindrical, tube-shaped devices packed with coconut fiber and wrapped in a durable outer netting. Installed along slopes, channels, and site perimeters, they act as a barrier that slows the speed of runoff, allowing suspended sediment to settle out before water leaves the site.
This slowing-and-filtering action aligns with EPA guidance on fiber roll best management practices, which identifies this approach as an effective way to reduce erosive runoff on slopes and help prevent the rill and gully erosion that often develops on exposed soil.

What Is BioD-Watl?
BioD-Watl is made from cleaned mattress coir fiber, lightly packed into a high-strength bristle coir twine netting with a 2-inch by 2-inch opening. This tubular design allows water to pass through freely while trapping sediment within the fiber structure.
The wattles are available in three sizes to match different project needs: BioD-Watl 6 (6 inches in diameter), BioD-Watl 9 (9 inches in diameter), and BioD-Watl 12 (12 inches in diameter), each supplied in 15-foot lengths. Every wattle carries approximately 90 lbs. of tensile strength, giving it the durability to hold up under heavy equipment traffic and variable site conditions.
As a fully biodegradable erosion control wattle, BioD-Watl contains no plastic components. Once its functional life ends, typically after two to three years in the field, it breaks down into organic matter that enriches the surrounding soil rather than leaving debris behind.
Coir fiber’s benefits extend beyond sediment capture. Laboratory research comparing low-cost sorbents for stormwater treatment found that coconut coir removed more than 95% of key heavy metals, including cadmium, copper, lead, and zinc. This gives coir wattles for erosion control an added layer of water-quality protection beyond basic sediment retention.
Coir Wattles vs. Synthetic Alternatives
Many sediment control products on the market still rely on synthetic netting or plastic mesh. While these materials may offer short-term convenience, they come with drawbacks that natural fiber alternatives avoid.
Synthetic wattles often use fixed netting that can trap or injure wildlife moving through a site. BioD-Watl’s coir twine netting is designed with movable intersecting points, reducing this risk while still holding the fiber securely in place.
Synthetic materials also require removal and disposal once a project reaches completion, adding cost and labor. Because BioD-Watl is completely biodegradable, it can be left in place to decompose naturally, eliminating that extra step. This makes it a genuinely plastic-free erosion control option for teams working toward sustainability and compliance goals.
Where BioD-Watl Performs Best
BioD-Watl’s flexibility allows it to perform across a wide range of site conditions. Common applications include:
- Sediment control on active construction sites
- Slope stabilization on graded or disturbed land
- Inlet and curb protection around storm drains and catch basins
- Channel restoration projects requiring effective check dams
- Shoreline protection in landscaping and site development work
Because these coir erosion control products can be cut and joined to any length on-site, installation crews can adapt quickly to irregular site layouts without needing custom-sized materials. This versatility makes BioD-Watl a practical choice for both small landscaping jobs and large-scale sediment control for infrastructure projects.
Installation Best Practices for BioD-Watl

Proper installation is essential to getting the full benefit of any sediment control wattle. For best results:
- Dig a shallow trench, roughly 2 to 3 inches deep, along the contour of the slope or site perimeter
- Lay the wattle snugly into the trench, butting the ends tightly together to prevent gaps
- Secure the wattle with wooden stakes at each end and every 4 to 5 feet along its length
- Pack soil lightly against the upslope side to improve contact and filtering performance
- Inspect the wattle after heavy rainfall and re-secure any sections that have shifted
These straightforward steps mean BioD-Watl can be installed quickly, without specialized equipment, making it well suited for erosion control for road construction, utility work, and general site development.
Supporting Vegetation and Long-Term Environmental Compliance
Beyond sediment retention, BioD-Watl contributes to a site’s longer-term ecological recovery. As the wattle biodegrades, it gradually adds organic material to the surrounding soil, creating better conditions for nearby vegetation to take hold. Because the product contains no synthetic materials, it also supports project compliance with environmental regulations that increasingly favor sustainable construction erosion products over conventional plastic-based devices.
For engineers and contractors specifying materials on sensitive sites, this combination of performance and environmental responsibility makes BioD-Watl a dependable choice for meeting both technical and regulatory requirements.
Choosing the Right Wattle for Your Project
Selecting the right sediment control device comes down to understanding site conditions, expected water flow, and long-term environmental goals. For teams that need a flexible, wildlife-safe, and fully biodegradable option, BioD-Watl stands out as a dependable coir wattle for erosion control, backed by decades of field use across construction, infrastructure, and restoration projects.
Build Stronger Sediment Control Systems with RoLanka International Inc.
Choose RoLanka International Inc. for BioD-Watl coir wattles, coir fiber for erosion control, and other eco-friendly sediment control solutions built for construction, infrastructure, and restoration projects. Explore our full range of coir erosion control products designed to perform without plastic waste. Contact RoLanka International Inc. today to find the right wattle for your next project.