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Ductwork Specification DW145 Guide to good practice for the installation, design and selection, inspection and maintenance. Fire dampers (E/EI). Leakage classified fire dampers (ES/EIS). 2nd edition

Publication Year

2025

Document Status

Current

Abstract

Relates to fire safety standards.

Document History

Supersedes DW/145 'Guide to good practice for the installation, design and selection, inspection and maintenance' (BESA, 2024). Version 3 dated August 2025.

ISBN

9781739187323

Publisher Information

Building Engineering Services Association

A trade organisation meeting the needs of building engineering services contractors involved with design, installation, commissioning, maintenance, control and management of engineering systems and services in buildings. It was established in 1904 as the National Association of Master Heating and Domestic Engineers and has been through a few name changes since, including: Heating and Ventilating Contractors' Association (HVCA) and from 2012 it was the known as the Building and Engineering Services Association (BES).