Preformed and flexible pond liners | How to choose for your own situation
For a medium sized pond flexible liner made from rubber is best. Preformed or ready made pond liners tend to be quicker and a bit easier to install. Preformed pond liners have size limitations and are therefore best considered only for smaller garden ponds. Flexible rubber or plastic materials are best for medium to larger sized ponds and they also allow you to choose your own shape.
The best (and most expensive) pond liners are made from butyl rubber or EPDM
rubber at least 500 microns in thickness.
Specially formulated flexible plastic in PVC or polyethylene liners are also suitable. Look for good guarantee and UV resistance. Do not use ordinary plain black sheeting such as that used by builders. Always source from reputable supplier
For larger ponds (above 600 litres or about 120 gallons) garden pond liners should be installed - preformed liner ponds become too expensive. Rubber (butyl or EPDM) is the material of choice. You can go as big as you like. Even small reservoirs use this type of material. Liner ponds are ideal for water lily ponds.
For ponds below this size it would be very wise to choose from a range of preformed pond liners or preformed garden ponds as they are better known.
A word of warning: Do not let your dogs swim in water where garden pond liners are used non preformed pond liners are easily damaged by their claws. If you do have dogs go for fibreglass preformed garden ponds.
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To choose the right pump easily with 1 CLICK ease
To choose the right pond filter (to keep pond clean and clear) click this link or use table below
Unlike for preformed garden ponds the installation of garden pond liners will inevitably result in creases appearing in your pond. This is normal and should not concern you too much. When water is in the pond you will not easily notice them. Do the best you can to minimise the garden pond liners creases however.
Calculation of size for pond liners (they will be square or rectangular in shape) is easy by following the guidelines below. Remember you can get a whole range of FREE pond calculators including one for calculating pond volumes by following the links on this web page.
| Measure maximum width of garden pond | W |
| Measure Maximum length of garden pond | L |
| Measure Maximum depth of garden pond | D |
| Decide on ledge width (allow at least 0.3 metres or 1 foot each side of garden pond) | S |
| Flexible pond liners width required | (W+2xD+2xS) |
| Flexible pond liners length required | (L+2xD+2xS) |
Flexible pond liner is not suitable generally speaking for an indoor or patio pond rather use preformed pond liners. Fibreglass preformed garden ponds are ideal for this.
The best and most expensive pond liners are made from butyl rubber or EPDM rubber at least 500 microns in thickness. You can see prices and sizes here
