Unsupported NTPEP

Unsupported NTPEP is a woven geotextile made up of polypropylene filaments. These filaments are woven to form a stable and durable network such that the filaments retain their relative position. It is nonbiodegradable and resistant to most soil chemicals, acids, and alkali with a pH range of 3 to 12.

Metric Values

All values provided are intended for rapid comparison purposes, only. Please refer to a specific product’s Product Data Sheet (PDS) and the disclaimers therein for a detailed listing of all characteristics, associated definitions and values needed for structure design, specification compliance review and product submittal purposes. Please Download PDS for all information transfer, printing and submittal purposes.

Property Test Method Units Staked Unsupported NTPEP Re-Roll Unsupported NTPEP


Grab Tensile
ASTM D4632 lbs 125 x 125 125 x 125
ASTM D4632 % 15 x 15 15 x 15
UV Resistance
ASTM D4355 % @ 500 hrs 80 80
ASTM D4751 US Std. Sieve 30 30
ASTM D4491 sec-1 0.10 0.10
Flow Rate
ASTM D4491 gpm/ft2 8 8
Product Data Sheets

  • 1   Maximum Average Roll Value