GreenArmor® System

As the world’s most cost-effective alternative to hard armor, the GreenArmor System is a solution that combines engineering and agronomic excellence. It’s a more aesthetically pleasing and environmentally superior means of protecting high-discharge waterways, levees, embankments and steep slopes.

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  • Protects against elevated water velocities and shear forces.
  • Encourages rapid establishment and permanent reinforcement of denser vegetation.
  • 30-50% lower cost than hard armor.
  • Twice the erosion resistance of natural vegetation.
  • Unmatched factors of safety.

Delivers superior erosion control on slopes.

Designed with durable, UV-stabilized, thermally fused nylon filaments; will not unravel or crush.

Flexterra® HP-FGM® is sprayed into the Futerra® TRM matrix to provide immediate protection and ideal growing conditions.

A 1,700% water-holding capacity doubles the turf establishment rates of other products.

How this revolutionary green alternative works

A worker sprays green hydroseed mulch onto the ground with a hose, while another person stands nearby. Concrete barriers and barrels are visible in the background.

Permanent Protection

The lofty matrix consists of 95% open space and readily accepts a hydraulic infill, capturing soil and encouraging vegetative growth. The resilient three-dimensional matrix of thermally fused nylon monofilaments creates the ideal structure for root reinforcement.

A hand lifts a thick, tangled green and black mesh mat, possibly used for erosion control or landscaping, showing its rough, fibrous texture and some dirt caught in the material.

Immediate Protection and Rapid Growth

The hydraulically applied infill provides immediate erosion control. Flexterra HP-FGM is designed with Thermally Refined® wood fibers, crimped biodegradable interlocking fibers, and additives engineered to perform under extreme conditions—delivering greater than 99% erosion control effectiveness. Plus, the GreenArmor System produces 800% more vegetation than bare soil and doubles the establishment rates of other TRMs

Two workers in safety gear spray green hydroseed onto a steep, net-covered slope beside a concrete building to promote vegetation growth and prevent erosion.

Unmatched Root Reinforcement

The GreenArmor System is a superior method for reinforcing vegetation. Futerra TRM maximizes root reinforcement while Flexterra HP-FGM offers immediate protection while accelerating vegetative establishment. Together, they provide up to 10 times the erosion resistance of natural vegetation.

A truck sprays green material on a sloped roadside at sunset, likely for grass seeding or erosion control. Trees, a water tower, and a cell tower are in the background.

Designed for a Wide Range of Environments

The GreenArmor System is proven to provide immediate erosion control, speed establishment of vegetation, and deliver superior performance on a range of sites such as steep slopes, embankments, landfill slopes, diversion channels, ditches, stormwater conveyance channels, levees, and canal side slopes.

A worker sprays green hydroseed from a large truck onto bare soil, likely for erosion control or grass seeding, covering the ground evenly on a construction or landscaping site.

I don’t think there could have been a better confirmation of the design, execution,  and installation than having it tested by a tropical storm that soon after being built. There’s no question that the GreenArmor System worked great.

John Moss of Construction EcoServices

Aerial view of a suburban neighborhood with houses, winding roads, a green park, and mountains in the background under a clear sky.

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