This soft, polyethylene fabric will last 20+ years under your liner. It is a 3-dimensional underlayment that allows gas to escape. It has a non-slippery surface and provides protection for the liner from rocks and other sharp objects, spreads easily. This is a non-woven, needle-punched Geotextile.

*Note:
This product is too large or heavy to ship via UPS or FedEx.  It must ship via commercial truck.  Someone has to be available at the delivery location to sign for it.  They will not deliver the product without someone present to accept it.