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Coir Matting 70

Coconut Erosion Control Blanket

Coir Matting 70 (also known as Coir 700 Matting) provides natural biodegradable erosion control for slopes, banks, and wetlands. Coir mat 70 is a high strength erosion control mat used with slopes between 2:1 and 1:1 with flows up to 12 fps (feet per second). Depending on your location, the coconut erosion control blanket can last from 4 to 6 years. For other Coir options, see: Coir Erosion Control.

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Coir Mat 70 Features

  • Woven Bristle Coir Twine
  • Semi-Permanent Construction
  • Weight: 700 g/sq. meter

Coir Mat 70 Benefits

  • Open Weave Area for Seeding and Vegetation
  • Completely Biodegradable
  • Long Term Erosion Control

Coconut Coir Matting Details

Coir mat 70 is a robust, semi-permanent erosion control for slopes of 2:1 or 1:1 and is recommended for flows of 12 fps (3.7 m/s). Coir mat 70 gets its name from its weight (also called Coir 700 Matting) . This coconut erosion control blanket weighs 700 g/m2 and come in various roll sizes. The open weave design makes seeding these coir mats easy and effective for promoting natural erosion control. Installation of these coconut erosion blankets is easy, and maintenance is simple. See our installation guidelines. Roll sizes for coir erosion control blankets are 6.56 ft. x 165 ft., 13.1 ft. x 83 ft., and 13.1 ft. x 165 ft.

Coir Mat 70 Specifications

Property Test Technical Details
Dry Tensile Strength ASTM D 4595 Machine Direction 1,512 lbs/ft (22.06 kN/m)
Cross Direction 1,032 lbs/ft (15.05 kN/m)
Wet Tensile Strength ASTM D 4595 Machine Direction 924 lbs/ft (13.48 kN/m)
Cross Direction 684 lbs/ft (9.97 kN/m)
Elongation at Failure Wet ASTM D 4595 Machine Direction 69%
Cross Direction 34%
Thickness ASTM D 5199 0.35 in (9mm)
UV Stabililty ASTM D 4355 80% min @ 500 hrs
Open Area Measured 50%
Reccommended Slope Observed 2:1 or 1:1
Reccommended Flow Flume Tests 12 fps (3.7 m/s)

Coir Mat 70 Roll Sizes

Roll Size Total Area
6.56 ft x 165 ft (2 m x 50 m) 120 square yards/roll (100 square meters/roll)
13.1 ft x 165 ft (4 m x 50 m) 240 square yards/roll (200 square meters/roll)
13.1 ft x 83 ft (4 m x 25 m) 120 square yards/roll (100 square meters/roll)

See also this affordable USA made alternative to coir: Excelsior Erosion Control Excelsior Logs.

Coconut Erosion Blanket Downloads

Coir Matting Applications

Because of their biodegradable nature, the coconut erosion control blanket is great for environmentally sensitive areas like wetlands and protected areas. This all-natural coir matting provides strong erosion control while not adding harmful elements to the surrounding wildlife. When slopes and banks need stabilization and support from the effects of erosion, using a coconut erosion control blanket will aid in support of vegetation and natural erosion control.

Coir Matting Frequently Asked Questions

Coir mat 70 differs from other coir erosion control blankets in its weight. Coir mat 70 weighs 700 grams per square meter. This durability and strength sits between other coconut coir matting weights of coir mat 40 and coir matt 90. Coir mat 70 can handle higher flows than coir mat 40. Coir mat 70 is an erosion control blanket that can handle flows up to 12 feet per second. Shear stress also differs for different weights of coir blanket. Shear stress for coir mat 70 is 4.5 lbs./sq. ft.

The lifespan of a coconut erosion blanket will depend on several factors. You must consider your site conditions, the slope of your location, the flows you are experiencing, and the timeline of your project. Typically, coconut coir matting will last anywhere from 4 to 6 years, depending on specific site conditions.

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