Specification for masonry units. Autoclaved aerated concrete masonry units (+A1:2015)
BS EN 771-4:2011
Document Status
Current
Supplement
Core Supplement
Series
BS EN
Abstract
Provides information relating to the characteristics and performance requirements of autoclaved aerated concrete (AAC) masonry units used in load bearing and non-load bearing applications in all forms of walling including single leaf, cavity, partitions, retaining, basement and general use below ground level, including walling for fire protection, thermal insulation, sound insulation and the fabric of chimneys (excluding chimney flue units). It defines the performance related to e.g. strength, density, dimensional accuracy etc. and marking requirements.
History
Supersedes BS EN 771-4:2011. This standard is a hEN. This document is a candidate harmonized European Standard and takes into account the requirements of EC mandate M116 masonry and related products. Amendment dated 31 March 2016 - Implementation of CEN amendment A1:2015. National Foreword and National Annex NA also updated.
ISBN
9780580794940
Subjects
- Bricks/blocks
- Concrete blocks
- Materials
Publisher History
With over 100 years of experience the British Standards Institute is recognised as the UK’s National standards body. Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards.
Information
NBS
NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.
Accuris
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