Complete Aquatics 6 Ounce Liner Underlayment, 12.5' x 100'

This Liner Underlayment from Complete Aquatics is provides protection for pond liner by acting as a buffer between the ground surface and the liner, to reduce friction and stretching that can lead to tearing. Also allows ground gases to escape from under the liner to prevent hippo effect.

This 12.5' wide x 100' long underlayment has a density of 6 ounces.