Automatic sprinkler systems are a well established technology and have demonstrated their reliability and effectiveness in protecting life and property in industrial and commercial buildings over many years. This guide provides good practice guidance on designing, installing, commissioning and maintaining sprinkler systems so they fulfil their purpose in the event of a fire. It covers a range of issues related to automatic sprinkler systems including UK standards, design, installation and maintenance of existing and novel products. Appendices provide valuable statistics about the incidence of real fires and the role of sprinklers in controlling them.