Mirafi® FW-Series

Highly UV Stabilized Woven Filtration Geotextiles

Mirafi® FW-Series geotextiles are highly UV stabilized, woven filtration geotextiles that are manufactured with unique monofilament yarns for use in Water Infrastructure and Drainage projects such as below grade drainage systems, rip rap and concrete revetment systems.

TenCate develops and produces materials that function to increase performance, reduce costs and deliver measurable results by working with our customers to provide advanced solutions.

The Difference Mirafi® FW-Series Engineered Filtration Geotextiles Make:

  • Engineered Filtration: Resists clogging while maintaining flow rates in high gradient and dynamic flow conditions.
  • Durability: High survivability rating in aggressive installation and loading conditions along with excellent resistance to chemicals in aggressive environments.
  • Soil Interaction: Superior soil confinement resulting in greater load distribution.
  • Unique Constructions: Manufactured with highly UV stabilized multifilament fibers which provide uniform opening size (AOS) while maintaining high long-term flow rates. Mirafi ® FW-Series geotextiles are manufactured with specialized processes to produce unique physical and hydraulic properties not possible with standard geotextiles, woven or nonwoven.
  • Seams: Panels can be sewn together in the factory or field, providing cross-roll direction strength to facilitate installation

Erosion Protection

The use of an erosion control blanket (ECB) or turf reinforcement mat (TRM) to protect the soil surface and prevent soil particles from being detached by rainfall, flowing water, or wind.

Filtration

The equilibrium soil-to-geotextile system that allows for adequate movement of a liquid across the plane of the geotextile with limited soil loss over the service lifetime of the application.

Separation

The placement of a flexible, porous geotextile between dissimilar materials so that the integrity and intended functions of both materials remain intact or are improved.

  • Mirafi® FW402

    Mirafi® FW402 geotextile is a woven filtration and drainage geotextile with an AOS of US Sieve #40. The FW402 offers a good balance of tensile strength, consistent AOS and extremely high permeability for a variety of applications.

  • Mirafi® FW404

    Mirafi® FW404 geotextile is a woven filtration and drainage geotextile with an AOS of US Sieve #40. The FW404 meets AASHTO M288 Class 1, 2 and 3 for Subsurface Drainage with <15% fines. The FW404 also meets AASHTO M288 Class 1, 2 and 3 for Erosion Control with <15% fines.

  • Mirafi® FW700

    Mirafi® FW700 geotextile is a woven filtration and drainage geotextile with an AOS of US Sieve #70. The FW700 meets AASHTO M288 Class 2 and 3 for Subsurface Drainage with 15% to more than 50% fines. The FW700 also meets AASHTO M288 Class 2 and 3 for Erosion Control with 15% to more than 50% fines.

Key Features

TenCate develops and produces materials that function to increase performance, reduce costs and deliver measurable results by working with our customers to provide advanced solutions.

The Difference Mirafi® FW-Series Engineered Filtration Geotextiles Make:

  • Engineered Filtration: Resists clogging while maintaining flow rates in high gradient and dynamic flow conditions.
  • Durability: High survivability rating in aggressive installation and loading conditions along with excellent resistance to chemicals in aggressive environments.
  • Soil Interaction: Superior soil confinement resulting in greater load distribution.
  • Unique Constructions: Manufactured with highly UV stabilized multifilament fibers which provide uniform opening size (AOS) while maintaining high long-term flow rates. Mirafi ® FW-Series geotextiles are manufactured with specialized processes to produce unique physical and hydraulic properties not possible with standard geotextiles, woven or nonwoven.
  • Seams: Panels can be sewn together in the factory or field, providing cross-roll direction strength to facilitate installation
Functions

Erosion Protection

The use of an erosion control blanket (ECB) or turf reinforcement mat (TRM) to protect the soil surface and prevent soil particles from being detached by rainfall, flowing water, or wind.

Filtration

The equilibrium soil-to-geotextile system that allows for adequate movement of a liquid across the plane of the geotextile with limited soil loss over the service lifetime of the application.

Separation

The placement of a flexible, porous geotextile between dissimilar materials so that the integrity and intended functions of both materials remain intact or are improved.

Products in this Series

  • Mirafi® FW402

    Mirafi® FW402 geotextile is a woven filtration and drainage geotextile with an AOS of US Sieve #40. The FW402 offers a good balance of tensile strength, consistent AOS and extremely high permeability for a variety of applications.

  • Mirafi® FW404

    Mirafi® FW404 geotextile is a woven filtration and drainage geotextile with an AOS of US Sieve #40. The FW404 meets AASHTO M288 Class 1, 2 and 3 for Subsurface Drainage with <15% fines. The FW404 also meets AASHTO M288 Class 1, 2 and 3 for Erosion Control with <15% fines.

  • Mirafi® FW700

    Mirafi® FW700 geotextile is a woven filtration and drainage geotextile with an AOS of US Sieve #70. The FW700 meets AASHTO M288 Class 2 and 3 for Subsurface Drainage with 15% to more than 50% fines. The FW700 also meets AASHTO M288 Class 2 and 3 for Erosion Control with 15% to more than 50% fines.

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