nonwoven > civil

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WINFAB 450N is a needlepunched nonwoven geotextile composed of polypropylene fibers that are formed into a dimensionally stable network, which allows the fibers to maintain their relative position. WINFAB 450N resists ultraviolet deterioration, rotting and biological degradation and is inert to commonly encountered soil chemicals.

MARV English
MARV Metric
Tensile Strength (Grab)
ASTM D-4632
120 x 120 lbs
534 x 534 N
ASTM D-4632
CBR Puncture
ASTM D-6241
335 lbs
1490 N
Trapezoidal Tear
ASTM D-4533
50 x 50 lbs
222 x 222 N
UV Resistance (500 hrs)
ASTM D-4355
Apparent Opening Size (AOS)*
ASTM D-4751
70 US Std. Sieve
0.212 mm
ASTM D-4491
1.8 sec ˉ1
1.8 sec ˉ1
Water Flow Rate
ASTM D-4491
120 gpm/ft 2
4889 lpm/m 2

Notes: Mullen Burst ASTM D-3786 has been removed. It is not recognized by ASTM D-35 on Geosynthetics. Puncture ASTM D-4833 has been removed. It is not recognized by AASHTO M288 and has been replaced with CBR Puncture ASTM D-6241

Typical English
Typical Metric
Roll Dimensions
12.5 x 360 ft
15 x 360 ft
3.81 x 109.8 m
4.6 x 109.8 m
Roll Area
500 yd 2
600 yd 2
418 m 2
502 m 2

WINFAB’s Quality Control Laboratory receives GAI-LAP accreditation

WINFAB’s Quality Control Laboratory was audited by George Koerner with the Geosyntietic Institute and has been accredited by the Geosynthetic Accreditation Institute’s Laboratory Accreditation Program (GAI-LAP). This accreditation along with the company’s NTPEP accreditation demonstrates WINFA…

WINFAB Acquires Fabrication Company

Company President, Larry Booth, recently announced WINFAB acquisition of a Georgia based Fabrication Company. Assets from this purchase were relocated to WINFAB’s 1,000,000 square foot Nashville, GA manufacturing facility. The new fabrication division allows WINFAB customers access to custom ge…

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