WINFAB® 400NP

Pavement Underlayment, Sealing, Adhesive Bonding, & Stress Relief

Features & Benefits:

– Prevents Penetration of Surface Water
– Extends Time Before Pavement Develops Reflective Cracks
– Heat Set Top Side Which Minimizes Construction Traffic Damage & Pick up
– Thick Structure Which Allows Effective Absorption & Even Distribution of Asphalt
– Available in Varying Weights for the Appropriate Maintenance Requirements

Grab Tensile Strength – 102 x 102 lbs. (453 x 453 N)
Grab Elongation – 50% x 50%
Trapezoid Tear Strength – 45 x 45 lbs. (200 x 200 N)
CBR Puncture Strength – 300 lbs. (1240 N)
UV Resistance (500 hrs.) – 70%
Melting Point – 300°F 149°C
Asphalt Retention – ≥ 0.20 gal/yd2 ≥ 0.91/m2

Available Roll Dimensions
6.25 ft x 360 ft (1.9 m x 110 m)
10.5 ft x 360 ft (3.2 m x 110 m)
12.5 ft. x 360 ft. (3.8 m x 110 m)
15 ft. x 360 ft. (4.6 m x 110 m)

– Paving underlayment
– Sealing
– Stress Relief
– Adhesive Bonding

WINFAB® 400NP & WINFAB® 400NP-USA needle-punched nonwoven
geotextile is manufactured using polypropylene fibers that are formed into a dimensionally stable network, which allows the fibers to maintain their relative position.

WINFAB® 400NP & WINFAB® 400NP-USA needle-punched nonwoven
geotextile resists ultraviolet deterioration, rotting, and biological degradation and is inert to commonly encountered soil chemicals.

WINFAB® 400NP-USA is compliant with the Build America, Buy America (BABA) Act, Pub. L. No. 117-58, div. G §§ 70901-52. To ensure BABA documentation is appropriately captured and maintained throughout the
manufacturing process, BABA (along with any other regulatory requirements) must be specified at the time of quotation and order to WINFAB. The inclusion of a “-USA” suffix on the end of the style name indicates the product is BABA certifiable.