BS 7346 â Components for Smoke and Heat Control Systems
BS 7346 â Components for Smoke and Heat Control Systems. Series of standards covering the components, specification, and installation of smoke and heat control systems used to maintain tenable conditions in means of escape. This page provides a structured summary, key provisions, and practical guidance on the application of BS 7346 â Smoke Ventilation to UK fire safety engineering, building design, and Building Safety Act compliance.