Pond Underlayment is recommended for all pond liners, especially Firestone PondGard EPDM liners. Pond Liner Underlayment is available in 5', 10' and 15' widths, but you can use it to accommodate any size pond by simply overlapping multiple pieces with no seaming required.
Custom Sizes Available in 5', 10' & 15' widths
Pond Liner Underlayment Features:
Purchase pond underlayment today to ensure that your pond liners stay in great shape. Use the Pond Liner Size Calculator to determine which size you need.