Pond Underlayment

Pond Underlayment

  • Protect Pond Liner From Rocks
  • No Seaming Necessary
  • Use Under Pond Liner

This underlayment for ponds is a soft fabric that allows gas to escape, protects your liner from sharp objects and installs easily. Made of 100% polypropylene non-woven material is specially formulated to resist ultraviolet light deterioration, and is inert to commonly encountered soil chemicals. The fabric will not rot or mildew and is resistant to damage from insects and rodents. Underlayment should cover all surfaces in which the pond liner will be placed. Underlayment does not need to be seamed, joints may be simply overlapped.

Not sure what size you need? Try our Water Garden Calculator or give our experts a call at 866-766-3435.

Tech Specs

Usage Information

Replacement Parts

Here are the replacement parts for Pond Underlayment.

Weeds Treated

The first step towards effectively treating any pond weed is proper identification. Pond Underlayment is recommended for use against each of the weeds listed below. Click on your desired weed for more information and alternate control options.

  • Pond Liner and Underlayment Video Sizing An Underlayment & Pond Liner

    Learn how to determine what size underlayment and pond liner you will need for your next water garden, waterfall or stream project in this video.