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Site applied liner from three of the world’s leading pool vinyl manufacturers, Elbtal Plastics, Canadian General Tower and Renolit who between them have over 160 years of experience in vinyl manufacture.


Plastica Limited worked with Water Sculptures ( in producing one-off vinyl liners to transform hand built stages into water tight and impeccably finished ‘pools’ for theatre productions

day and then filled, heated and filtered all ready for the big event.

Another ‘Big Event’ is the opening night of a new production where the stage is complete with ripples, a running river or even pouring rain. These amazing effects are made possible by a careful collaboration of set designer, specialist pool installer and the manufacture of a one-off vinyl liner made to transform the hand built staging into a water -tight and impeccably finished ‘pool’ bringing the original concept to life for the audience.


Neil Stephenson, General Manager at Certikin North shares his broad knowledge of liners: Whether it be a factory made ‘bag’ liner or a heavy duty site applied liner, it is certainly true that in recent years the range and quality of swimming pool liners has improved significantly.

Over time, the strength and durability of pool vinyl has increased greatly through the application, to the vinyl surface, of improved protective lacquers which, when combined with higher quality inks and colourings; improve stain resistance; withstand higher levels of abrasion; reduce plasticiser migration (thus offering an extended life) and help combat against UV degradation. Whilst it is still imperative to care for a swimming pool liner correctly, especially in respect of water quality, the improvements seen in the manufacture of pool vinyl result in a finished product which potentially offers a longer overall life and, certainly, a prolonged period of the liner looking at its best.

The options to create that ‘look’ of the liner have also developed dramatically in recent years. Whilst most of the traditional classics are still available, the introduction of more vibrant colours, photographic printing, metallic and pearlescent finishes to spread light around the pool and engraved finishes which offer a natural stone look and ‘touch’, mean that the finished look to a pool can be unique or classical, dramatic or plain and simple. This explosion in options is not only restricted to factory made liner component materials, as was usually the case, but has extended into commercial grade materials so that the site applied lining option, which was once the reserve of the commercial pool, is now more and more desirable to the domestic owner who can now combine the benefits of a heavy grade liner with the colour or pattern they wish to see every time they swim. As opposed to the traditional single ply 0.50mm or 0.75mm vinyl used for factory made liners, site applied liners, such as Certikin’s Infinite range, use a 1.5mm three ply product manufactured from two layers of high quality swimming pool grade vinyl which encapsulate a woven scrim, combining to offer prolonged strength and durability. This makes the product ideal for heavy use commercial environments but also extra long lasting in a standard domestic environment – whether the pool is a new build or a renovation and whatever the pool shape, style or construction.

Certikin maximise the opportunities to pass on these benefits to installers and pool owners by sourcing pool vinyl for both their factory made liners and the Infinite On

Standard pool liners can allow visible lines on the pool floor at the seams which can ultimately detract from the beauty of the pool. Using their decades of experience and knowledge Paramount Pools however use Ultra-Seam technology which reinforces the seams to make them stronger whilst making the seam virtually invisible.

Paramount provide pool liners and tile patterns from the well-known Canadian company Kafko who have been in operation for over 50 years. Not only are their high quality liners resistant to bleach but also to UV damage. They are treated to prevent bacteria and algae growth and come as standard with Ultra-Seam technology. With a wide selection of options for pattern, colour and shade, all Kafko liners can be made to fit a huge variety of styles and custom shapes. The vinyl liners are designed to complement their granite-look steps and spas and also provide an ‘over step’ system which can be used to create a seamless effect in any pool whether it is made from polymer, steel, concrete or fibreglass.

Kafko are so assured of the high quality of their products that they offer a 25 year limited warranty on their vinyl liners.

AQUAFLEX ‘TOUCHES’ THE MARKET’S IMAGNATION Launched at the Lyon Pool Show in 2012 the Alkorplan Touch range of material for site lining has proved to be outstandingly popular, in the UK through Aquaflex, and also throughout Europe. So much so that over 100,000 square metres of the material has been installed in Europe since the launch. The UK itself has not been slow to appreciate the quality and aesthetics of the material and a significant number of pools have been finished benefitting from each of the three designs currently available.

Paramount Pools provide

liners from the well-known Canadian company Kafko which feature Ultra-Seam

technology which reinforces the seams to make them

stronger whilst making the seam virtually invisible

Neil Stephenson, General Manager

at Certikin North says: “Whether it be a factory made ‘bag’ liner or a heavy duty site applied liner, it is certainly

true that in recent years the range and quality of swimming pool liners has improved significantly” SPN April 2015 59

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