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Envelope permeability is the term given to building leakage and is measured in cubic meter (m3), per hour (h), per m2 (m2) of building envelope, or m3/h/m2. This measurement is taken at a differential pressure of 50Pa between inside and outside the building. It is tested with a blower door, which is a special type of fan designed to measure building leakage.
Aerotight is Australia’s leading airtightness consultancy, specialising in the design, detailing and testing of high-performance building envelopes. We work alongside architects, builders and engineers to identify and eliminate air leakage risks before construction, ensuring compliance, performance and a smooth path to final testing. Our team delivers practical, cost-effective solutions backed by deep technical expertise and real-world project and building experience with unrivalled construction management and stakeholder engagement experienced in the APAC region.
Part of our unique process is to workshop the project team before the start of construction.
This workshop is broken down into 10 steps that can be adopted by any company ranging from small residential to tier 1 commercial construction companies.
We offer our clients equipment hire so that they can manage small scale testing of their project without the added cost
Brush seals are brooms for bugs. Learn how to document and specify an airtightness test for your projects to ensure compliance and buildability.
