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Liner Pools


There are three types of frames or structures that a liner pool can be made up of. These are aluminum, blockwork or pre-insulated (to reduce heat loss), all of which are internally lined with a PVC plastic liner. The liner acts as both the finish of the new swimming pool but also the waterproof membrane, available in solid colour or patterned design.

Liners come in a range of qualities and standard. The highest available quality is on-site welded liner due to its durability and robustness in comparison to one-piece liner – also known as a ‘bag’ liner. As customers’ aspirations for pools have changed over the years, one key advantage to welded liner is the versatility of shape that can be achieved due to it being cut on-site.

Extremely common in the UK during the 1980’s, the liner pool was the go-to installation. This was due to it being a low-cost, quick and easy to install solution; you could order a pool at Easter and be swimming lengths in the summer. Over the past few decades, liner pools have become less desirable due to market evolution and changes in customer requirements.

As a means of lining old and cracked, leaking or soiled concrete pools, liners (or welder liners) are now commonly used in the refurbishment market. As with many products, liners have a shelf life, usually around seven to twenty years. At this point, liners can become wrinkled and stretched over time, as well as faded in colour, so a replacement is required.

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