EN1366.co.uk is being expanded and technically reviewed. Published guidance should always be checked against the relevant standard, classification evidence and project requirements.
A practical route through the fire-resistance tests and related smoke-control standards for which source documents have currently been reviewed.
Reviewed EN 1366 guidance
BS EN 1366-1:2014+A1:2020
Fire-resisting ventilation ducts: tested assemblies, exposure conditions and project evidence.
SOURCE REVIEWEDBS EN 1366-2:2015
Fire dampers: test scope, installation conditions and the evidence a project team should check.
SOURCE REVIEWEDBS EN 1366-8:2024
Multi-compartment smoke extraction ducts and the relationship with EN 1366-1 evidence.
SOURCE REVIEWEDBS EN 1366-9:2024
Single-compartment smoke extraction ducts, leakage, stability and application limits.
Related smoke-control guidance
RELATED STANDARDBS EN 12101-13:2022
Pressure differential systems: design, installation, acceptance testing and maintenance.
BS EN 12101-13 is related to smoke-control system design, but it is not part of the EN 1366 fire-resistance test series.
Guidance review: September 2026. This is an original practical summary and does not reproduce or replace the relevant standards or project evidence. How this guidance is reviewed.