SKAPS GT-116 is a needle‐punched nonwoven geotextile made of 100% polypropylene staple fibers, which are formed into a random network for dimensional stability. SKAPS GT116 resists ultraviolet deterioration, rot, biological degradation, and exposure to natural bases and acids. Polypropylene is stable within a pH range of 2 to 13. SKAPS GT-116 is NTPEP certified and meets requirements as per AASHTO Standards and/or D.O.T. Standards.