Technical Standard L1. Measuring air permeability of building envelopes (dwellings). October 2010 issue (Withdrawn)
Publication Year
2010
Document Status
Withdrawn, cited in regs
Document History
Superseded by September 2016 issue. Together with Technical Standard L2 supersedes 'Technical Standard 1 Measuring air permeability of building envelopes. Issue 2.'
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.
							The Building Performance Hub
							Unit 3 Tannery Road Industrial Estate
							Tannery Road
							Loudwater
							High Wycombe
							ATTMA
							UK
						
							    Website: http://www.bcta.group/attma
    
							    Email: admin@bcta.group
							    Tel: +44 (0) 1494 358159