Nedia Enterprises

A complete line of erosion control , sediment control, and bioengineering products made primarily from natural fibers.

We provide innovative product and excellent service to our customers in the erosion control and bioengineering industry.

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Woven Coir Fabrics

KoirMat™ 400, 700, 900 & 1000

Overview

Nedia offers a full line of 100% natural woven coir (coconut fiber) erosion control fabrics. Our line of products in this category includes

KoirMat is made from well cleaned, high strength, fresh water cured coconut fiber. Coconut fiber is extracted from coconut husks which are submerged in fresh water streams or storage tanks for a period of several months. During this process known as retting, water constantly flows through the coir fiber matrix removing impurities present in the fiber. The clean fiber is extracted and spun into yarn which is then woven into KoirMat.

KoirMat erosion control matting is highly versatile with a wide array of applications in bioengineering and erosion control. KoirMat by far exceeds the demand for an environmentally friendly and economic erosion control product.

Benefits:

Coir fiber has one of the highest durability and tensile strengths among all natural fibers. The high lignin content (46% by weight) of KoirMat makes it naturally resistant to mold and rot and hence requires no chemical treatment.

KoirMat naturally absorbs and retains water while retaining its integrity providing an ideal microclimate for the growth of vegetation. KoirMat resembles the soil in its ability to absorb solar radiation to prevent overheating – a problem with many synthetic materials. The natural color of KoirMat makes it aesthetically pleasing. After years of effective erosion control and vegetation anchoring, KoirMat decomposes and joins the natural ecological cycle, providing soil nutrients in the process .Environmentally safe and biodegradable, KoirMat is the preferred choice of erosion control specialists around the world.

Longevity:

Depending on its application and exposure, KoirMat lasts three to six years. This extended longevity period allows enough time to establish adequate vegetation allowing erosion control the way nature intended.

Coconut Fiber Logs

KoirLog™ 12, 16 & 20

Overview

KoirLogs are natural coconut fiber logs with applications in wetland mitigation, shoreline stabilization and stream banks/channel protection. Nedia’s KoirLogs are made from double cleaned, unsorted coconut fiber encased in high tensile strength coir twine netting. KoirLogs help to dissipate the impact from wave action and flowing water, trap sediments and encourage vegetation growth.

During installation, seedlings or plant cuttings can be planted into the KoirLog. Sediment trapped by the KoirLog as well as the inherent property of the coir fiber to absorb and retain moisture provides an ideal medium for vegetation establishment and growth.

Sizes:

KoirLog™s are available in 12”, 16” and 20” diameters. The logs are typically 10 or 20 feet long.

Densities:

KoirLogs are available in Normal Density (ND Series) of 7 lbs/cu .ft. and High Density (HD Series) of 9 lbs/cu .ft. KoirLogs with a normal density of 7 lbs/cu .ft. (ND Series) are easier to handle, install and plant. The normal density logs also encourage rapid root development. Designers must evaluate the site conditions in order to choose the appropriate size, density and number of tiers of KoirLogs to be used. Some parameters to consider are flow velocity, wave height, stream energy, soil type and accessibility to the project site.

Longevity:

KoirLogs generally last for two to five years. As the KoirLog biodegrades, the plants develop a well established root system in the shoreline sediment which will retain the soil in place preventing further erosion. The decomposing KoirLogs provides valuable humus to the soil.

Soil Wrap Fabric

KoirWrap™ 1000

KoirWrap™ 1200

Fabric wrapped soil construction is one of the most resilient bioengineering techniques to stabilize streambanks. This technique relies on the strongest type of coir fabric construction to reinforce soil lifts, high density plantings of rows of willow cuttings, native seeds, and in many cases a reinforced stone toe to protect against toe scour. Like all bioengineered designs using degradable fabric, the concept is to rely on fabrics during the initial (three to six years) soil stabilization period. As the fabric degrades, the installed vegetation provides the necessary erosion protection and aesthetic benefits. KoirWrap1000 & KoirWrap 1200 are excellent fabrics for this type of bank treatment.

KoirWrap 1000 & KoirWrap 1200 is a double-layered biodegradable erosion control fabric made up of an outer layer of high strength continuously woven coir matting and an inner layer of lightweight jute fabric connected together at regular intervals. KoirWrap 1000 & KoirWrap 1200 is ideal for fabric wrapped soil construction on steep slopes and along streambanks.

Typical Applications

  • Slopes and streambank stabilization
  • Landscaping and bioengineering
  • Revegetation of construction damaged slopes
  • Trapping sediment and to encourage deposition
  • Reduction of pollution from storm-water run-off

Advantages

  • An excellent product for fabric wrapped soil construction
  • Outer layer of woven coir fabric provides strength
  • Inner layer of woven jute fabric retains fines during period of plant establishment
  • Easy to handle and install
  • Cost effective and long lasting
  • Ideal for steep slopes and high velocity channels
Erosion Control Blankets

Overview

Nedia offers a variety of straw & coconut stitched blankets for erosion control on slopes and channels. These blankets help to stabilize and reinforce the soil until vegetation is established. All blankets are available in photodegradable as well as biodegradable netting (denoted by suffix “B”).

Straw Blankets

The single-netted straw blankets (S300 and S300B), are typically used on slopes 3:1 and flatter as well as in low flow channels. The double netted straw blankets (S400 and S400B) are ideal for 3:1 to 2:1 slopes and for moderate flow channels.

S300

Straw blanket with single lightweight photodegradable netting

S300B

Straw blanket with single biodegradable netting

S400

Straw blanket with top and bottom lightweight photodegradable netting

S400B

Straw blanket with top and bottom biodegradable netting

Straw/Coconut Blankets

These blankets can be used on 2:1 to 1:1 slopes and in channels with moderate to severe flow conditions.

SC400

70% Straw / 30% coconut blanket with top heavyweight UV stabilized polypropylene netting and bottom lightweight photodegradable polypropylene netting.

SC400B

Straw/coconut blanket with top and bottom biodegradable netting.

Coconut Blankets

Suitable for steep slopes (1:1 or greater) with heavy run-off conditions. These blankets are made of double cleaned mattress quality coconut fibers. The C400B blankets have top and bottom biodegradable netting for more ecologically sensitive areas. These blankets durable coconut fiber matrix create a highly effective liner for channels and shorelines where vegetation establishment is challenging.

C400

Coconut blanket with top and bottom heavyweight UV stabilized polypropylene netting.

C400B

Coconut blanket with top and bottom biodegradable netting.

Permanent and Composite TRMs

PERMANENT TURF REINFORCEMENT MATTING (PTRM)

Nedia offers a complete line of permanent as well as composite Turf Reinforcement Matting. All products are made to meet the highest quality standards of the industry.

PTRM 270

Overview

Nedia PTRM 270 Permanent Turf Reinforcement mat shall be made with 100% UV stabilized polypropylene fiber sandwiched between two layers of UV stabilized polypropylene nets and securely sewn together with UV stabilized polypropylene thread. The blankets are palletized for easy transportaion.

PTRM 340

Overview

Nedia PTRM 340 is made with uniformly distributed 100% green polypropylene fiber and two heavy weight polypropylene nets securely sewn together with UV stabilized thread. The blankets are palletized for easy transportation. Nedia PTRM 340 is a permanent turf reinforcement mat and is suitable for slopes 1:1 and high flow channels. Nedia PTRM 340 meets Type 5.A and 5.B specification requirements established by the Erosion Control Technology Council ( ECTC) and Federal Highway Administration’s (FHWA) FP-03 Section 713.17

PTRM 440

Overview

Nedia PTRM 440 is made with uniformly distributed 100% green polypropylene fiber and two heavy weight polypropylene nets securely sewn together with UV stabilized thread. The blankets are palletized for easy transportation. Nedia PTRM 440 is a permanent turf reinforcement mat and is suitable for slopes 1:1 and high flow channels. Nedia PTRM 440 meets Type 5.A, 5.B and 5.C specification requirements established by the Erosion Control Technology Council ( ECTC) and Federal Highway Administration’s (FHWA) FP-03 Section 713.17

PTRM 640

Overview

Nedia PTRM 640 is made with uniformly distributed 100% green polypropylene fiber and three ultra-heavy weight polypropylene nets securely sewn together with UV stabilized thread. The blankets are palletized for easy transportation. Nedia PTRM 640 is a permanent turf reinforcement mat and is suitable for slopes 1:1 and high flow channels. Nedia PTM 640 meets Type 5.A, 5.B, and 5.C specification requirements established by the Erosion Control Technology Council ( ECTC) and Federal Highway Administration’s (FHWA) FP-03 Section 713.17

PTRM 3003D

Overview

Nedia PTRM 3003D is synthetic, UV stabilized Turf Reinforcement Mat made by weaving continuous, high strength synthetic threads through a proprietary process to form a three-dimensional, pyramid shaped, lofty pattern. It is designed and manufactured to provide immediate erosion control and permanent turf reinforcement and is comprised of physical properties sufficient to provide the intended longevity and performance. Additionally, PTRM 3003D is constructed to yield a high tensile strength, high durability material and meet ECTC specification for category 5C product

COMPOSITE TURF REINFORCEMENT MATTING (CTRM)

CTRM-400SC

Overview

Nedia CTRM 400SC is made with uniformly distributed 70% agricultural straw, 30% coconut fiber and three polypropylene nets securely sewn together with UV stabilized thread. The blankets are palletized for easy transportation. Nedia CTRM 400SC is a permanent turf reinforcement mat and is suited for 1:1 slopes and high-flow channels. Nedia CTRM 400SC meets Type 5.A, 5.B and 5.C specification requirements established by the Erosion Control Technology Council ( ECTC) and Federal Highway Administration’s (FHWA) FP-03 Section 713.17

CTRM-500C

Overview

Nedia PTRM 3003D is synthetic, UV stabilized Turf Reinforcement Mat made by weaving continuous, high strength synthetic threads through a proprietary process to form a three-dimensional, pyramid shaped, lofty pattern. It is designed and manufactured to provide immediate erosion control and permanent turf reinforcement and is comprised of physical properties sufficient to provide the intended longevity and performance. Additionally, PTRM 3003D is constructed to yield a high tensile strength, high durability material and meet ECTC specification for category 5C product

Coir Sediment Control

Overview

KoirFence 1250 is a tightly woven biodegradable silt fence made of high strength coir

KoirFence™ 1250

Typical Applications

  • Perimeter sediment control
  • To contain windblown snow
  • Strong drain inlet protection
  • Matting for walkways

KoirFence™ 1250

Advantages

  • 100% natural and biodegradable eliminates need for removal
  • Environmentally friendly
  • Safe for wildlife
  • Easy and economical to install
  • Excellent alternative to plastic silt fence in ecologically sensitive areas
  • Excellent filtration characteristics

Coir Sediment Control Products – Koirwattle™ 6 & 9

KoirFence 1250 is a tightly woven biodegradable silt fence made of high strength coir

Coir Sediment Control Products - Koirwattle™ 6 & 9

Overview

KoirWattle™ is a flexible cylindrical module of coir fiber encased in tubular netting made of high strength coir. KoirWattle™ generally lasts two to five years and can replace silt fence and straw bales as a cost effective means of controlling erosion. It effectively traps sediments and improves water quality.

KoirWattle™ 6 & 9

KoirWattle™ 6 & 9

Typical Applications

  • Storm drain inlet protection
  • Check structure in swales and water ways
  • Forest fire rehabilitation
  • Storm water and construction run-off pollution control
  • Vineyard erosion control
  • Landscape edging
  • Alternate to silt fence for perimeter sediment control

Advantages

  • Reduce slope length
  • Slow water flow velocity
  • Reduce sheet erosion as well as rill and gully development
  • 100% natural and biodegradable
  • Cost effective
  • Easy to install in shallow soils and hard substrates
  • Safe for the environment
  • Superior filtration & durability compared to straw and excelsior wattles
  • Works as a vegetative filter
  • Blends in well with existing landscape
  • Excellent growing medium for vegetation
Biodegradable Stabilizer Fabric

BioJute 500

Overview

BioJute 500 is a 100% biodegradable geotextile made of tightly woven jute yarn.

Typical Applications

  • Geotextile separator fabric for temporary haul roads
  • As a liner for KoirMat in fabric wrapped soil construction
  • Erosion control in channels

Advantages

  • Fully biodegradable
  • No need for removal
  • Alternate to synthetic geotextiles
  • Large coverage area
Accessorial Products

Hardwood Stakes

Wedge shaped, pencil point and chisel point hardwood stakes are available in various sizes.

Metal Staples

Size : 6” to 12” . Gage : 8ga to 11 ga

KoirPot™

Molded coir fiber pot reinforced with natural latex adhesive
Size : 2” to 16” dia

KoirTwine™ 80

High strength 2 ply coconut fiber twine with a minimum breaking strength of 80 lbs. Ideal for securing KoirLog, KoirWattle, KoirFence, etc.
Standard spool size: 500LF

BioTwine™ 80/150

High strength single ply natural fiber twine with a breaking strength of 80 lbs (150 lbs)
Standard spool size: 2250 LF (BioTwine 80) 1000 LF (BioTwine 150)

KoirTube™

Woven coir fiber pot made from high strength coir yarn
Size : 3” to 20 “ dia

Jute Fiber

It can be spun into coarse, strong threads. It is produced from plants in the genus Corchorus. When the plants are about 15-20 cm tall, they are thinned out. More

Coir Fiber

Coir ( pronounced as “coy-er”) is a vegetable fiber extracted from the fibrous husk (mesocarp) covering the inner shell of the coconut fruit grown on coconut trees (botanical name cocos nucifera). More

Sisal Fiber

Sisal Fiber is one of the most widely used natural fiber and is fully biodegradable. The fiber is exceptionally durable and low maintenance with minimal wear and tear. The fiber is obtained from sisal. More

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