RoLanka – The World’s leading
supplier of GeoNatural™ products
GeoNatural™ products are resources for soil and water related improvements and restorations which are made from natural fibers. They are 100% biodegradable and environmentally safe. RoLanka’s GeoNaturalTM products are made with coir (coconut fiber) and they are economical, environmentally friendly and provide true green solutions for today’s erosion and sediment problems.
RoLanka is an environmentally concerned company that supplies high quality, economical and environmentally friendly products for erosion & sediment control, soil bioengineering, wetland restoration, streambank & shoreline restoration and horticultural applications. The natural by-product, coir (coconut fiber) is the basis for RoLanka products. We are dedicated to protecting and preserving our natural resources.
Our technical expertise combined with direct access to abundant coir resources allows us to provide well-engineered, environmentally safe, and economically priced coir products for various applications in environmental restorations. A healthy environment supports a healthy human population.
Our research and development personnel are constantly working on developing new products and on improving our current product line. Currently, we offer several new products that are patented in the USA, India, Sri Lanka, Canada, and Australia. Although we offer some traditional coir products, our main emphasis is on providing technically advanced coir products for civil engineering and horticultural communities. By doing this we also assist the coir industry in developing countries. Our products are reasonably priced with a view to enhance environmentally friendly restoration activities. We are proud to be the world’s leading supplier of technically advanced natural products to the global market.
RoLanka was established in 1993 and since then we are proudly serving the erosion control industry with excellent customer service and providing high quality products. RoLanka is a registered minority business enterprise in the State of Georgia.
Located in Stockbridge, GA, we keep significantly large inventory on hand and work vigorously to deliver the products on time.
Our Mission
Our mission is to supply quality products at affordable prices with excellent customer service. RoLanka products are made in a central factory with strict quality control practices from purchasing raw materials to production of each final product. Also, we take pride in educating the public about the need of using natural and biodegradable products to protect and preserve our environment for many generations to come. We provide free technical advice to public how to select the optimum product for each situation and get each job done right, the first time. The best way to save our natural resources for all.
LIMITED WARRANTY
RoLanka International, Inc, guarantees BioD- products to be free from defects in manufacturing. Due to the variables such as weather, soil conditions, water conditions, installation methods etc., RoLanka International, Inc., cannot guarantee that its products will perform under unlimited conditions. RoLanka International, Inc., will not be liable for any direct, indirect, or consequential damages or losses caused by any failure of our products.
Established in 1993
GA DOT DBE Certified.
Officials Of RoLanka
Lanka Santha, M.S., P.E.
C.E.O.
Lanka holds a MS degree in Civil Engineering from Texas A&M University. He has over 40 years of experience in construction, design, and research in the Civil Engineering field. He is a registered professional engineer in the State of Georgia. He worked for Georgia DOT Materials and Research office for 15 years. His interests include the application of soil bioengineering techniques to solve civil engineering problems. He is also interested in the research and development of new and improved erosion & sediment control and soil bioengineering products. Lanka has several publications in the field of erosion control and transportation. He has a several patents in the US and Sri Lanka. He is a member of International Erosion Control Association (IECA) and ASTM (D18 & D35 committees) which are responsible for developing standards for erosion control products.
Calista Rohini Santha, Ph.D.
President
Calista holds a Ph.D. degree in Wildlife and Fisheries Sciences from Texas A&M University, College Station, Texas. Her M.Sc. degree in Aquaculture is from Asian Institute of Technology, Bangkok, Thailand, and B.S. degree in Agriculture is from University of Peradeniya, Sri Lanka. Her interests include the environmental protection through effective erosion and sediment control practices.
Leaders in Bioengineering and Sustainable Erosion Control
RoLanka International Inc. is built on a simple principle: erosion control should work with nature, not against it. What began as a focus on coir-based solutions has evolved into a broader commitment to advancing bioengineering erosion control products that restore landscapes, stabilize soil, and support long-term ecological balance.
Today, our work sits at the intersection of engineering performance and environmental responsibility. We design and supply systems that replace conventional synthetic materials with renewable, biodegradable alternatives that perform in real-world conditions while reducing long-term environmental impact.
We continue to innovate by refining material performance, improving field adaptability, and supporting projects that require both technical reliability and ecological sensitivity across diverse environmental conditions and regulatory frameworks.
Natural Engineering with Coir-Based Systems
At the core of our approach are coir geotextiles and coir geotextile rolls, developed to provide effective reinforcement for slopes, embankments, waterways, and restoration sites. These materials are engineered to support vegetation establishment while protecting soil during critical early growth stages.
Our solutions for coir fiber soil stabilization are widely used in infrastructure and ecological restoration projects where reliability and environmental compatibility must work together. Unlike plastic-based systems, coir naturally integrates into the soil profile over time, improving structure as it decomposes.
This positions our products as true sustainable alternatives to plastic geotextiles, supporting modern environmental standards and regulatory requirements across North America and beyond.
They are also highly adaptable to varied field conditions, including high rainfall zones, steep gradients, and sensitive ecological areas where long-term soil performance is essential. This ensures consistent results across diverse project environments.
Moving Beyond Synthetic Systems
The conversation around coir vs synthetic erosion control blankets continues to highlight a significant shift within the construction, restoration, and environmental engineering industries. While synthetic materials are often chosen for their initial tensile strength and long service life, they can also introduce long-term environmental challenges, including plastic waste accumulation, limited biodegradability, and microplastic contamination in soil and water systems.
RoLanka International Inc. is focused on advancing plastic-free erosion control solutions that address these concerns without compromising field performance. Our coir-based systems are engineered to deliver immediate and reliable erosion protection during the most critical stages of site disturbance, while also supporting natural regeneration processes that lead to long-term soil stability.
Unlike synthetic alternatives that remain in the environment indefinitely, coir products transition naturally into the ecosystem. As they biodegrade, they contribute organic matter to the soil, improve moisture retention, and support stronger root development. This creates a self-reinforcing system where vegetation gradually becomes the primary stabilizing force.
As demand for nature-based engineering continues to grow, RoLanka remains committed to developing materials that align with modern sustainability standards, regulatory expectations, and ecological restoration goals. Our solutions are widely used in infrastructure development, transportation projects, shoreline stabilization, and habitat restoration, where both performance and environmental responsibility are essential.
By combining proven engineering functionality with renewable natural materials, we support a transition toward more resilient and environmentally conscious construction practices across North America and beyond.
Contact us today to learn more about our bioengineering products and coir-based systems.
Frequently Asked Questions
Bioengineering erosion control products combine natural materials like coir with engineering principles to stabilize soil, reduce erosion, and support vegetation growth in infrastructure and environmental restoration projects.
Coir geotextiles provide natural reinforcement by holding soil in place, retaining moisture, and promoting root growth. Unlike synthetic materials, they biodegrade over time and improve soil health instead of creating waste.
Coir geotextile rolls are used on slopes, embankments, and drainage areas to prevent soil erosion, control runoff, and create stable conditions for vegetation establishment
Coir fiber soil stabilization uses renewable coconut fiber to reinforce soil structure naturally, reducing reliance on plastic materials while supporting long-term environmental recovery.
Sustainable alternatives to plastic geotextiles include coir-based mats, blankets, and rolls that provide erosion control while biodegrading naturally without contributing to plastic pollution.
Coir vs synthetic erosion control blankets show that coir performs better in environmental terms by supporting vegetation growth and decomposing naturally, while synthetics offer longer-lasting but non-biodegradable coverage.
Plastic-free erosion control refers to using natural materials like coir instead of synthetic plastics to manage erosion, reduce sediment loss, and protect ecosystems sustainably.