Swimming Pool Liner Construction - Thicker And More Robust For The Future!

by Pool Builders on 04-20-2011 in Articles

Above ground pools have become ever more popular with Intex leading the development of the materials, which are extensively used in their manufacture. The material is basically like the old plastic sheet, but is much thicker and very much more robust.

The strength characteristics are such that it is now able to hold serious quantities of water and also the wear and tear of children playing and bouncing with great regularity. Most of this material is made in a giant factory in China and shipped to all parts of the world.

It is not only used for swimming pools and paddling pools, but also a complete range of inflatable boats and all sorts of other applications. The manufacturing process produces the material in large sheets consisting of 3 separate layers, there are 2 layers of PVC sheeting which sandwich a layer of fine polyester mesh. It is produced in different gauges usually 16, 25, and 30 gauge where a gauge is one thousandth of an inch. The only problem is sharp and or pointed objects can still cause difficulties and also abrasion can cause some problems, but generally it is so tough as to beat most problems.

Just bear in mind that no warranty is given on the liners, but this is understandable, as the manufacturer has no control on erection or usage. The pool liners are assembled by cutting the liner to shape and welding the various parts together by a thermal bonding process. The seams would appear to be the vulnerable part of the construction, but the thermal bonding techniques make a very strong joint, which cause problems extremely rarely.

Above ground pools made of this material are recommended to be placed on a concrete base in order not to damage the liner, and it should not be dragged around. It should not be put on sand as it will move in use and there will be a continual abrasive action, which can cause damage. Damage however is rare and liners come with repair kits that can be used for small holes and tears.

Above ground pools made of these liners really are best stored over the winter months unless the climate is warm one. Certainly if the temperatures go below 40 degrees C then it should be dismantled and stowed, the material is quite strong, but the weight of snow and ice could damage it and the expansion of ice can cause immense stresses and crack the material. Take care and it is great to use.

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