Curlex® HD Blankets
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Heavy Duty Curlex Blankets, for long-term protection against wind and water erosion, are a natural choice in place of stone or riprap in swales, ditch bottoms, and on long, steep slopes.

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Material Characteristics

Curlex® III
1.25 lb/yd2 product with naturally seed free Great Lakes Aspen Excelsior Fibers designed to provide protection for grass seed and topsoil from wind and water erosion for approximately 24 months, while simultaneously promoting ideal growing conditions.

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Curlex® Enforcer®
1.25 lb/yd2 product with naturally seed free Great Lakes Aspen Excelsior Fibers designed to provide a fiber service life of approximately 24-36 months, but the remaining components of the product are permanent. It is bound by two layers of extra heavy-duty black UV stabilized netting to provide permanent reinforcement between established vegetation and root systems in channel bottoms or on slopes.


Curlex® High Velocity™ (HV)
1.62 lb/yd2 product with naturally seed free Great Lakes Aspen Excelsior Fibers designed to provide extended protection for grass seed and topsoil from wind and water erosion for approximately 36+ months, while simultaneously promoting ideal growing conditions on steep, long slopes and/or in channel applications.

Learn more about the differences amongst various fibers used for erosion control.

Watch the Natural Mechanical Functions of Engineered Curlex Fibers.

Curlex heavy-duty excelsior blankets are available individually wrapped or in master packs to allow for mechanical unloading and stacking.

          Mouse over for "after" photo
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Performance Capabilities

Curlex heavy duty blankets can handle wind and water shear even on steep slopes. These heavy duty blankets provide long-term protection in critical areas where vegetation requires additional time and protection to develop. The following are some practical application recommendations.

 

Video: ASTM D6460 Curlex III Channel Test

 Product

 Slopes

 Shear Stress

 Curlex III

 ≤ 1H:1V

 144 Pa (3.0 lb/ft2) unvegetated

 Curlex Enforcer

 ≤ .75H:1V

 156 Pa (3.25 lb/ft2) unvegetated, 287 Pa (6.0 lb/ft2) vegetated*

 Curlex High Velocity (HV)

 ≤ .75H:1V

 156 Pa (3.25 lb/ft2) unvegetated

 

Typical Applications

Channel bottoms, swales, steep slopes, let down structures, drop structures, and other areas associated with concentrated water flow exceeding the performance capability and service life of a standard biodegradable blanket.Curlex_III_vegetation

 

Curlex HD Case Studies

Enforcing Soil in Place - Curlex Enforcer

Revisiting a Classic - IDOT Route 6 Project - Curlex High Velocity

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Choosing the Right Heavy Duty Curlex Product

Heavy Duty Excelsior Blankets are available in various fiber weights and netting combinations to match the appropriate job site requirements. Eighty percent of the Curlex fibers are six-inches or longer with consistent thickness and are evenly distributed over its entire area. Both the top and bottom side of the blankets are covered with black, heavy-duty, extruded plastic mesh designed to provide strength beyond the service life of standard blankets. Curlex Excelsior blankets are naturally seed free and do not contain any chemical additives or foreign matter.

Suggested Specifications

Heavy Duty Excelsior Blankets

Product 

Roll Sizes 

Weight* 

Netting (top & bottom) 

Color 

 Curlex III

 8' x 67.5' (60 yd2)

 1.25 lb/yd2

 Heavy Duty Black or FibreNet™

 Natural or QuickGRASS® Green

 Curlex Enforcer

 8' x 67.5' (60 yd2)

 1.25 lb/yd2

 Extra Heavy Duty Black

 Natural or QuickGRASS® Green

 Curlex High Velocity (HV)

8' x 50' (44.4 yd2)
                           

 1.62 lb/yd2

 Heavy Duty Black or FibreNet™

 Natural or QuickGRASS® Green


*Weight is based on a dry fiber weight basis at time of manufacture.  Baseline moisture content of Great Lakes Aspen Excelsior is 22%.

Technical Support 

Visit our Technical Support Library to view all Technical Support Documents by clicking on Technical Support at the top of any page or please Contact Us if you have further questions.

Disclaimer: Curlex HV, III, and Enforcer is a system for erosion control and re-vegetation on slopes and channels. American Excelsior Company (AEC) believes that the information contained herein to be reliable and accurate for use in erosion control and re-vegetation applications. However, since physical conditions vary from job site to job site and even within a given job site, AEC makes no performance guarantees and assumes no obligation or liability for the reliability or accuracy of information contained herein, for the results, safety or suitability of using, or for damages occurring in connection with the installation of any erosion control product whether or not made by AEC or its affiliates, except as separately and specifically made in writing by AEC. These specifications are subject to change without notice.

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