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Prestige Air Technology is the Country's leading authority in the application of gas integrity testing to 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.
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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 passed
and the Certificate issued. |
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