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Technical Standard L1. Measuring air permeability in the envelopes of dwellings. September 2016 issue

Publication Year

2016

Document Status

Withdrawn

Abstract

Detailed guidance and clarification of BS EN 13829:2001 and ISO 9972:2015 in order to ensure consistency of measuring air permeability in dwellings by testing companies.

Document History

Superseded by Issue 4, September 2021. Supersedes October 2010 issue.

Publisher Information

Air Tightness Testing and Measurement Association

The Air Tightness Testing and Measurement Association (ATTMA) is a professional association, formed in 2002, to promote technical excellence and commercial effectiveness in air tightness testing and air leakage measurement applications. It is also a Department for Communities and Local Government (DCLG)-appointed operator of a Competent Persons Scheme for air-tightness testing.

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