expert planning, design, manufacture and installation Toll Free: + 1 800 999 2794 home of the patented Turf Drain Siphon System ![]() ![]() ![]() ![]() ![]() Non Woven - Thicker fabrics that look like felt are needle punched. Thinner materials are typically some type of heat set process. Typically, these materials are made from either polypropylene or polyester. The polyester materials have better UV resistance, but even they are subject to deterioration after a few years. ![]() |