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Pond Liners
From small garden ponds to large custom builds, we have liners to suit every design. Use our Pond Liner Calculator to get the perfect fit, guaranteed to last.
Buying a Pond Liner
Choosing the Right Size Pond Liner
It’s important you make sure you have the right size liner for your pond.
It’s almost impossible to get a liner that is a perfect fit for your hole in the ground and there will always be some excess that you need to trim off.
Our pond liner calculator will help you find the closest match for what you need.
Using the Pond Liner Calculator
You need to provide your maximum length, maximum depth and maximum width.
Our pond liner calculator will then allow 12” (30cm) overlap all the way around in order for you to secure the liner once in place.
Pond Liner Calculator
How to measure for a pond liner
The alternative to our pond liner calculator is measuring your pond yourself. To work out what size pond liner you need, take a piece of string and run it down the exact contours of the longest size of your hole and back up the other side, not forgetting to add enough for overlap. You can also do the same at the widest point. Measure the string and this will give you the exact amount of liner.
Buy Pond Liners Online
Shirley Aquatics provide pre-packed pond liners and also liner ‘off-the-roll’.
For PVC and EPDM the roll widths are from 2m up to 6m, and the lengths can be anything from 1m up to 25m.
For the 1mm firestone rubber, this comes over from America and is measured in feet. Again, pre-packed sizes are available. Liner roll widths are 10, 12, 14, 16, 20, 25 and 30ft. You can purchase up to 100ft in length from these rolls.
We are also able to offer custom sizes for much bigger ponds as well as box welded liners, these can take a little longer to come in but we will give you an expected delivery date at the time of ordering. Contact Us to order custom sizes.
Pond Liner Underlay
Please don’t forget to use underlay.
Whilst not using underlay will not affect your guarantee, it will increase the likelihood of something puncturing the liner, which would not be covered under the guarantee.
Pre-Packed PVC Pond Liner
PVC (polyvinyl chloride) pond liners are 0.5mm black waterproof sheets ideal for small garden ponds. Lightweight and flexible, they’re easy to fit around corners and shelves while preventing water from seeping into surrounding soil. Regular pond maintenance is important, as prolonged sunlight can make PVC brittle over time.
Rubber Liner Pre-Packed
Rubber pond liners offer superior durability and resistance to UV damage, chemicals, and temperature extremes. Their flexible, elastic structure allows easy installation with minimal creasing and provides long-lasting protection for fish and wildlife. Rubber liners are the premium choice for ponds of any size.
Pond Liner Underlay
A pond liner underlay is essential for protecting your liner and extending its lifespan. Designed to be puncture-resistant, it safeguards against sharp stones, roots, and other debris beneath your pond. Using an underlay helps prevent costly damage and ensures your pond remains watertight for years to come.
Explore our range of Pond Liner Underlays here.