12 Steps to Airtightness

12 Steps to Airtightness

Built on Aldas’s experience we developed the 12 steps to airtightness to help contractors and design teams to deliver low energy buildings.

This was developed more than a decade ago, in response to continuing frustration at seeing the same mistakes and omissions giving rise to leakage issues and unsatisfactory airtightness test values in a range of low energy buildings across the UK.


Education Opens up the Mind

Aldas 12 steps to Airtightness forms part of the training we deliver for those wishing to become Airtightness Champions.

Intro to Airtightness
Onsite Passivhaus
Effective Sealing
Air leakage Checker
Quality Control
Design Training

get trained
Airtightness Training

Aldas offer both online and practical training

get involved
Airtightness testing

Aldas are the most experienced Airtightness testers and consultants in the UK

Learning Through Knowledge
Aldas Resources

Our resources are a distillation of over 30 years experience finding air leakage

12 steps to airtightness
air leakage experts
12 Steps to Airtightness

Built on Aldas’s experience we developed the 12 steps to airtightness to help design and deliver low energy buildings.

Case studies
Case Studies

See some technical details of a range of big projects Aldas have been involved with

where do buildings leak
See the problem
Where do buildings leak

A comprehensive guide by Aldas

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Registered with ATTMA

The Air Tightness Testing & Measurement Association (ATTMA) is a professional association dedicated to promoting technical excellence and commercial effectiveness in all air tightness testing applications. It was formed in 2002 to promote the testing and measurement industry and supports its members by extending market awareness of the technology and the members’ services.

Home of Airtightness Champions

Please contact us so we can assist with all things related to Airtightness

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