Understanding Soil Erosion and Why It Matters

Soil erosion is the process by which topsoil is worn away by wind or water, often accelerated by construction, agriculture, or loss of vegetation. Uncontrolled erosion can have serious impacts on both nature and infrastructure: fertile soil washes away, slopes become unstable (leading to landslides or mudflows), and sediment from eroding slopes can pollute waterways. Communities and ecosystems feel the effects – from degraded farmland productivity to clogged streams and increased flood risk. Controlling erosion is critical not only to preserve soil and vegetation on-site, but also to protect downstream environments and public safety. For these reasons, erosion control practices (often called “best management practices” or BMPs) are required on construction sites, road projects, and land developments around the world to mitigate soil loss and environmental damage.

Erosion Control Blankets as a Solution

Erosion Control Blankets (ECBs) are among the most widely used solutions for slope stabilization and revegetation. An ECB is a rolled mat typically made of natural fibers (like straw, wood excelsior, or coir) which is spread over a slope and anchored with stakes. Its job is to shield the soil surface from rain impact and wind, while promoting plant growth. The fibers in the blanket absorb raindrop energy and slow down surface runoff, drastically reducing washouts and soil displacement. In turn, vegetation can establish instead of being uprooted by erosion. The blanket also helps retain soil moisture, creating a better microclimate for seed germination and plant growth. In essence, an erosion blanket provides immediate protection to a disturbed slope (often working the moment it’s installed) and serves as temporary scaffolding for new grass or plants to grow. Once the vegetation is mature and rooted, the plants themselves become the long-term erosion control system. Key benefits of ECBs include rapid deployment, cost-effectiveness, and proven performance in reducing sediment runoff and aiding revegetation.

Netting: The Backbone of an Erosion Control Blanket

The netting component is what holds an erosion control blanket together and makes it work. Nets are the backbone of ECBs, providing structural integrity and durability. A quality erosion blanket net must satisfy several key criteria:

• Tensile Strength & Durability: It should withstand harsh conditions – heavy rainfall, high winds, and ground movement – without tearing or fraying. This ensures the blanket stays effective throughout the period when erosion risk is highest.
• Flexibility & Conformability: Good netting easily adapts to uneven or steep terrain, draping over soil contours so that the blanket stays in close contact with the ground. This prevents soil from escaping underneath and ensures uniform erosion protection.
• Ease of Installation: Lightweight, easy-to-handle netting makes it faster and safer for crews to install blankets over large areas. Flexible plastic nets, for example, can be rolled out quickly and cut to shape without specialized equipment, saving labor and reducing installation costs on difficult slopes.
• UV Resistance: Since these blankets are exposed to sunlight for months, a high-quality netting contains UV stabilizers to resist sun degradation. This prevents the net from weakening or disintegrating too early, so it lasts until vegetation is well established.

Toward Sustainable Erosion Control

Erosion control blankets have become a global standard in protecting slopes and waterways, thanks to their effectiveness in reducing soil loss and jumpstarting vegetation recovery. Yet, as environmental awareness grows, many project owners and regulators are increasingly concerned about the legacy of plastic netting left behind on site after an ECB has done its job. Traditional polypropylene nets, if not removed, can persist in the ecosystem and potentially cause wildlife entanglement or visual litter over time.

Conwed’s Naconet™ compostable netting is an innovative answer to these concerns. Naconet™ is a 100% bio-based, industrially compostable netting designed for erosion control and other applications. It delivers the same reinforcement, strength, and erosion control performance as conventional plastic mesh, but fully biodegrades in industrial composting settings. Under the right conditions, Naconet™ breaks down into water, carbon dioxide, and natural biomass with no microplastic fragments or toxic residues left behind. This means no post-project cleanup is required – the net simply vanishes after plants take hold, leaving only a healthy, stable vegetative cover on the slope. For environmentally sensitive projects or those striving to meet stricter sustainability standards, compostable netting offers a way to achieve long-term erosion control with minimal environmental footprint. Conwed is proud to be at the forefront of this evolution, ensuring that slope stabilization and revegetation can be accomplished both effectively and responsibly.

Reach out to us to learn more about our netting solutions for erosion control