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Custom Pro PVC Liner & Protective Underlayment Combo Kit

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  • Includes 20 mil PVC pond liner and non-woven geotextile underlayment in a matching size.
  • For koi ponds, water gardens and pondless water features.
  • Strong, durable, very flexible liner is simple to install, attaches easily to waterfalls, weirs and skimmers, and has a 5 year manufacturer's warranty against defects!
  • Underlayment increases the liner's puncture resistance by over 500%
  • Liner and underlayment can be cut to size with scissors.
  • Safe for fish and aquatic plants.


Earn 58 Points! (Worth $0.58)

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The Custom Pro 20 mil PVC Pond Liner and Underlayment Combo Kit makes installing your backyard pond easy and economical! The PVC (polyvinyl chloride) pond liner can be safely used in any kind of water feature, including one with fish and/or aquatic plants. The liner is manufactured in 5 or 10 foot panels and therefore may include factory installed seams for most sizes. Buy with confidence because the entire liner is covered by a 5 year manufacturer's warranty against defects or failure!
This PVC pond liner's black color provides a natural look and the illusion of greater water depth. Highly flexible, this 20 mil pond liner is much more durable than cheap 14 mil "Pond Skin" liner commonly sold. Superior flexibility allows you to fit this 20 mil liner to the various contours of your water feature. Tip: Always cover any exposed liner with soil and stone to protect it from UV light, create a more natural look and ensure years of service! 
The non-woven geotextile underlayment protects your pond liner, helping to prevent damage that could require repairs. It increases puncture resistance over 500% compared to PVC used without underlayment! Place the underlayment between the soil and liner to guard against sharp objects, roots and burrowing animals.
PLEASE NOTE: Because we are an outdoor facility, your liner may arrive with some minor dirt/dust markings from rain splashing, however we guarantee it is brand new and has never been used!


"What size do I need?"

  • 5
    Excellent product

    Posted by Julie on May 11th 2021

    Easy to work with product and easy to work with folks at Pond and Garden Depot.

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