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Coir Mat 40


Erosion Control Mats for Stabilization and Growth

erosion control matsThe GEI Works' coir mat 40 is an excellent solution for any project site in need of long-term stabilization and vegetative growth. Constructed with high strength coir fiber twine, erosion control mats have been successfully used along hills, slopes, and banks to stabilize and reinforce areas. Our erosion control coir mat is 100% biodegradable and features natural coconut fibers that are safe for the surrounding environment after installation.

The coir mat 40 gets its name from a manufactured standard weight of 400g/m² and standard coir twine weaved in a design that leaves 65 percent of space for planting seeds or vegetation. Recommended use includes 3:1 slopes and water flows up to 8 fps.

Questions about a biodegradable erosion control blanket? GEI Works can help! Call our team at 1-772-646-0597 or fill out our quote request form to discuss your requirements.

Erosion Control Coir Mat Features

  • Machine Spun Bristle Coir Twines
  • Semi-Permanent
  • Open Weave Construction
  • Recommended Slopes: < 3:1
  • Recommended Flows: up to 8 fps
  • Roll Sizing: Multiple Sizes Available

Erosion Control Coir Benefits

  • Safe for Wildlife and Areas with Environmental Concerns
  • 100% Biodegradable
  • 4-6 year Approximate Lifespan
  • Open Weave Design for Revegetating
  • Handles Seeding Before or After Installation
  • Strong and Robust Coconut Coir Fibers
  • High Strength Erosion Control
  • Provides Increased Support for Vegetation

Applications for Erosion Control Mats


erosion control coir mat and logs
  • 3:1 Slopes
  • 8 fps Flow
  • Soil Bioengineering
  • Ground Stabilization
  • Erosion Control
  • Bank Control and Stabilization
  • Supports Vegetation

Coir Mat 40 Technical Specifications

Property Test Method Details
Dry Tensile Strength ASTM D 4595 Machine Direction 504 lbs/ft (7.35 kN/m)
Cross Direction 480 lbs/ft (7.0 kN/m)
Wet Tensile Strength ASTM D 4595 Machine Direction 456 lbs/ft (6.65 kN/m)
Cross Direction 360 lbs/ft (5.25 kN/m)
Elongation at Failure Wet ASTM D 4595 Machine Direction 36%
Cross Direction 31%
Thickness ASTM D 5199 0.35 in (9 mm)
UV Stability ASTM D 4355 80% min @ 500 hrs
Open Area Measured 65%
Recommended Slope Observed < 3:1
Recommended Flow   8 fps (2.4 m/s)


Coir Mat Roll Sizes

Roll Size Total Area
6.56 ft x 165 ft (2 m x 50 m) 120 y²/roll (100 m²/roll)
13.1 ft x 165 ft (4 m x 50 m) 240 y²/roll (200 m²/roll)

Looking for more information? Review GEI Works' Coir Mat Installation Guide.

Accessories: Staples, pegs, or stakes are essential coir mat acessories to secure your matting during installation. Contact the GEI Works team for a quote! We offer wooden stakes, sod staples, biodegradable stakes, and more.

Erosion Control Mats for Any Location


coir mat 40 coir mat 70 coir mat 90 coir mat 100
Coir Mat 40 Coir Mat 70 Coir Mat 90 Coir Mat 100
3:1 slopes or lower
Flows up to 8 fps
2:1 slopes or lower
Flows up to 12 fps
1:1 slopes or lower
Flows up to 16 fps
1:1 slopes or lower
Flows up to 17 fps

Review the entire line of Erosion Control Matting Products from GEI Works.

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Questions about coir mat 40 or our other erosion control mats? We can help! Call our team at 1-772-646-0597 or fill out our quote request form to discuss your requirements.