Integrity Testing
Both systems should have/require 'Gas integrity testing'.
The NHBC traffic light system (a method of gauging require protection need from results form the site investigation - the higher the risk the more points required in terms of protection to allow domestic construction) will offer a score of 2 points for a foil backed gas membrane installed with integrity testing where an untested gas membrane might result in 0.5 points.
This is both due to the conditions under which gas membranes are installed are often difficult and can adversely compromise the integrity required by the manufacturer/client. The purpose of the test to ensure this integrity to allow the installation to be certified as the method of protection performs correctly.
Read more about this topic: Gas Protection
Famous quotes containing the words integrity and/or testing:
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—Bible: New Testament, 1 Corinthians 10:13.