Replacement Cistern Liners for Aging or Leaking Liners
Replace a torn, leaking or worn-out cistern liner with a custom-made one, fabricated around your confirmed cistern dimensions.
- Custom fit, not a guess from the old liner
- Food-grade liner options
- DIY or professional installation
No exact measurements needed. Phone photos are fine.
- 5 years in businessHundreds of custom liners supplied
- NSF/ANSI/CAN 61Food-grade liner material
- 10-year warrantyManufacturer coverage, seams included
- Shipped across CanadaDIY or professional install
When to replace your cistern liner
Water loss
Level falls faster than usage.
Cracking
Concrete or masonry cracks.
Deteriorating concrete
Surfaces breaking down.
Damaged liner
Tears, failed seams, punctures, aged material.
Aging interior
Worn surfaces behind the liner.
We re-measure. We never assume the old dimensions were right.
A replacement liner is only as good as the measurements behind it. We confirm your cistern's current dimensions and fabricate the new liner around them, rather than copying the old liner.
Removing the old liner usually allows proper inspection and preparation. Installing over the old liner is generally not advised, because it can hide damage, debris or moisture.
Replace the liner, coat the cistern, or rebuild it?
| Your situation | Best-fit option | Why |
|---|---|---|
| Sound concrete, no major movement | Liquid-applied coating | Bonds to well-prepared concrete as a seamless membrane. |
| Cracked, porous or deteriorating interior | Custom liner | An independent barrier that doesn't depend on the old surface. |
| Existing liner torn, failed or aged | Replacement liner | Re-measured and fabricated around the confirmed cistern dimensions. |
| Structure moving, collapsing or too small | Structural repair or full replacement | A liner holds water. It does not replace structure. We'll tell you if that's your case. |
Four simple steps
- 01
Measure & photograph
Grab a tape measure and your phone. Basic measurements and clear photos are all we need to start.
- 02
Send your details
Upload everything through our short online form. No paperwork or technical drawings.
- 03
We custom-make your liner
Once details are confirmed, your liner is fabricated to your cistern's dimensions, shape, depth and openings.
- 04
Install your way
Install it yourself, or hire a professional. Installation services are available for Eastern Ontario projects.
Custom-made to fit
Every liner is fabricated from your confirmed dimensions, shape, depth, openings and fittings.
Food-grade liners
Liner options intended for potable water storage, with the exact specification matched to your project.
Guidance at every step
From measuring and photos to installation, we help you through the process.
Frequently asked questions about replacement cistern liners
Can an old cistern liner be replaced?
Yes, if the underlying cistern is still suitable.
Do you need to remove the old liner first?
Usually yes, so the cistern can be inspected and prepared.
Can I install the new liner over the old liner?
Generally not advised, since hidden problems may go unseen.
Can a torn liner simply be repaired?
Small, localized damage can sometimes be repaired, depending on the material, age and condition of the liner.
Should I use the old liner's measurements?
No. Confirm the cistern's dimensions directly. See our measuring guide.
Can you replace a liner in a concrete cistern?
Yes. See our concrete cistern liners page.
What information do you need for a quote?
Measurements, location, photos of the existing liner, problem areas, access opening and fittings.
Ready to fix your cistern?
Send us your photos and rough dimensions. We'll tell you honestly whether a liner or coating makes sense.