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How Coir Logs Work
Coir Logs provide immediate erosion control by acting as a natural barrier that slows water flow, traps sediment and stabilises soil along waterways, slopes and disturbed ground.
As the coir fibres gradually decompose, they enrich the surrounding soil with nutrients. This supports the growth of native vegetation, which eventually replaces the log’s structural role and delivers long-term erosion protection.
Common applications include stream banks, wetlands, shorelines, drainage channels and steep slopes where natural reinforcement is required.
Benefits of Coir Logs for Construction Sites
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Erosion Control: Coir logs prevent soil movement by absorbing water impact and holding soil particles in place, making them suitable for slopes, riverbanks and shorelines.
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Sediment Trapping: As water flows through the fibres, sediment is captured, reducing turbidity and improving water quality—especially near drains and waterways.
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Vegetation Support: Coir logs offer a stable base for plant establishment. Over time, the logs enhance shoreline stability by encouraging the growth of native grasses and riparian vegetation.
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Biodegradability: Being natural organic materials, coir logs break down safely, enriching soil ecosystems without leaving synthetic waste behind.
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Cost Effectiveness: Installation is simple and requires minimal labour. Their sustainability and affordability make them ideal for eco-conscious landscaping and erosion control projects.
Installation Guide
Coir logs are straightforward to install. Follow these steps for effective placement and long-lasting performance:
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Clear rocks, stumps and debris to ensure full soil contact.
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Dig a trench no deeper than one-third of the log’s diameter (for example, 100 mm trench for a 300 mm log).
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Position 25 mm × 25 mm × 900 mm stakes 300 mm from each end and along both sides. Space additional stakes no more than 1 m apart, closer in unstable soils. Drive stakes between the outer netting and inner fibres (not through the log).
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Secure the log using 2.5 mm galvanised steel wire or 5 mm coir twine.
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Backfill to the top of the log for added stability and improved aesthetics.
Maintenance
Regular inspections, especially after heavy rain, are essential to ensure logs remain securely in place. Replace damaged stakes, reposition dislodged sections and remove protective netting once vegetation has become established.
Keeping spare plants on hand helps quickly replace failed vegetation and maintain consistent coverage throughout the site.
Why Choose Coir Logs?
Coir logs are manufactured using modern production methods in Sri Lanka, ensuring consistent density and precise diameters for predictable performance in the field.
What sets Coir Logs apart is the strict adherence to quality standards and rigorous quality control, delivering reliable erosion control, durability and environmentally responsible performance.
