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Frequently Asked Questions About Pond Liners

The below questions have been complied by the Just Liners staff from our nationwide customer base.

Q. Are Just Liners Pond and Water Garden liners aquatic safe?
A. All of our pond liners are aquatic safe. Roofing liners are not recommended for fish ponds.

Q. Which liner material offers the most flexibility?
A. The flexibility order of our liners is as follows:

Material
Flexibility
Pond Size
PVC
very flexible
any size pond
EPDM
very flexible
any size pond
PPL12
very flexible
Small ponds
PPL20 & 24
flexible
any size pond
Permalon
flexible
any size pond
PPL30
least flexible
any size pond
UltraGuard
very flexible
any size pond

Q.  Can I order a liner in any dimension I want?
A.  The PVC liners can be ordered in any dimension as one solid sheet.
However, to reduce waste and keep our prices low, we ask that one side of your PVC liner is divisible by 6, length or width. The UltraGuard liners can be ordered in any dimension as one solid sheet. However, to reduce waste and keep our prices low, we ask that one side of your UltraGuard liner is divisible by 5, length or width.The EPDM liners must be ordered as shown on the EPDM page of this site. The Polyethylene liners can be ordered in any dimension as one solid sheet.

Q. Can I order a liner cut in a particular shape?
A.  No.  All of our liners are fabricated in square, flat sheets.          

Q. How much material overlap do I need?
A. We believe that a 2' overlap is needed for pond edging and margin of error for first time pond builders.

Q. Do I need the Geo-pad Underlay?
A. Yes. It is a wise decision to purchase the underlay to match your liner dimensions. It gives your liner longevity, protecting it from tree roots, rocks, rodents and soil chemicals.

Q. Which liner material is best for me?
A. Consider the following five factors before making your liner material decision.

1. What is the coldest temperature in your area?

Material
Cold Crack
PVC
-22° Fahrenheit
EPDM
-40° Fahrenheit
PPL20
-70° Fahrenheit
PPL24
-65° Fahrenheit
Permalon
-70° Fahrenheit
PPL20 & PPL36
-100° Fahrenheit
UltraGuard
-65° Fahrenheit

2. Which material is best suited for your pond dimensions?

Material
Flexibility
Pond Size
PVC
very flexible
any size pond
EPDM
very flexible
any size pond
PPL12
very flexible
Small ponds
PPL20 & 24
flexible
any size pond
Permalon
flexible
any size pond
PPL36
least flexible
any size pond
UltraGuard
very flexible
any size pond

3. Are you going to penetrate the liner with pipe fittings or a bottom drain?

Material
Sealing Capabilities
PVC
good
EPDM
very good
PPL12
good
PPL24
good
Permalon
fair
PPL20 & PPL36
good
UltraGuard
good


4. Is your pond excavation in a sunlit or shady area?

Material
UV Resistance
PVC
fair
EPDM
very good
PPL12
fair
PPL24
good
Permalon
good
PPL20 & PPL36
good
UltraGuard
good

5. Are the soil conditions in your pond excavation rocky, clay or sandy? Are trees located near your pond?
Material
Tear Resistance
PVC
good
EPDM
very good
PPL12
fair
PPL24
very good
Permalon
good
PPL20 & PPL36
ver good
UltraGuard
good

Q. If I want to seam two liners together, which material should I use?
A. EPDM liners can be seamed with minimal effort.  EPDM can be seamed by using the seam prep, tapes and lap sealant.
The Polyethylene liners (i.e. PPL lines) can be seamed using H50 tape in small areas or a heat device for larger areas. PVC can be seamed in small areas using PVC glue and heat welded for larger areas.

Q. If  I develop a leak in my liner, which material is the easiest to patch?
A. EPDM liners can be patched with minimal effort. EPDM is easily patched using our EPDM patch with adhesive backing and tape activator. The area should be preped with tape activator. The patch adheres to the liner, and forms a bond stronger than the original material. The UltraGuard can be patched using excess material along with adhesive or a heat device. PVC can be patched with excess PVC material. The PVC material should be cut in a circular patch and bonded to the liner using PVC adhesive. PPL liner can be patched using H50 tape.

Q. What color are your liners?
A. All of our pond liners are black.


Contact Information:
Telephone:       1-888-838-4017
Fax:                1-877-878-6813
Mail Address:  Just Liners, Inc.
                      P. O. Box 79
                      Bogota, TN 38007


                  
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