Prestige Air Technology is the Country's leading authority in the application of gas integrity testing as a means of validating installed gas membranes.

Originally developed by the company to verify the integrity of its own systems the technique has now been made more widely available as an independent integrity test to the construction industry.

The conditions under which gas membranes are installed are often difficult and can adversely compromise the integrity designed into the product by the manufacturer.

It is the purpose of the test to maintain this integrity by allowing the installation to be certified as representing the required gas resistant barrier after it has been installed.
The test is carried out on the membrane immediately after its installation and prior to it being covered up by the ensuing construction processes. The area below the membrane is temporarily pressurised with a mixture of clean air and a specialist tracer gas which seeks out and identifies any leaks within the membrane. The tracer gas used is both non toxic and inert and has been selected for its extreme sensitivity to detection. Specialist equipment sensitive to the tracer gas is used to trace all leaks within the installation with particular attention being paid to the critical points and junctions formed between the membrane material and other structural elements prior to conducting a detailed sweep of the complete area. The process is an on going one with the leaks being traced, sealed and re-tested before the membrane is validated and the Certificate issued.
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