Technical Standard L1. Measuring air permeability in the envelopes of simple buildings - fan pressurisation method. September 2021 issue
Publication Year
2021
Document Status
Current
Abstract
Technical standard for the airtightness testing of single dwellings and small buildings with up to a gross envelope volume of 4000 cubic meters.
Document History
Issue 4, September 2021. Supersedes the September 2016 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.
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
