BS 9251:2021

This British Standard gives recommendations for the design, installation, components, water supplies and backflow protection, commissioning, maintenance and testing of fire sprinkler systems installed for life safety purposes in residential and domestic premises.

NOTE 1 Sprinkler systems also provide additional benefits for property protection and prevention of fire spread.

This British Standard is applicable for sprinkler protection of domestic and residential premises and contains specific recommendations for sprinkler systems in those premises of more than four storeys or above 18 m in height.

NOTE 2 Unless otherwise specified, references to residential sprinkler system in this British Standard include domestic sprinkler systems.

All current amendments available at time of purchase are included with the purchase of this document.