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FSH/21/-/7 - Reaction to fire tests - Large and intermediate scale tests

Sector: Construction

Categories: Building elements. General | Fire protection. Other | Fire-resistance. Building materials and elements | Ignitability and burning behaviour. Materials and products | Construction materials. General | Fire Protection. General

Overview: Under the direction of FSH/21, is responsible for the UK input to ISO/TC 92/SC 1/WG 7 for standards relating to large and intermediate scale tests.

Committee standards activity

In Progress (2)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS ISO 3957 Reaction to fire tests — Façades — Measurement of heat and smoke generation in severe exterior fire scenarios

Categories: Fire-resistance. Building materials and elements

Drafting begins : 2023-09-15 		Drafting
BS ISO 13785-1 Reaction-to-fire tests for façades — Part 1: Intermediate-scale test

Categories: Fire-resistance. Building materials and elements | Walls. Partitions. Façade

Public comment begins : 2025-10-13 		Public comment
Published (4)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD ISO/TS 23657:2022 Reaction to fire test for sandwich panel building systems. Intermediate-scale box test

Categories: Fire-resistance. Building materials and elements

Published standard begins : 2023-01-09 		Published standard
BS ISO 3957:2025 Reaction to fire tests. Parallel panel test method for wall systems. Measurement of heat release and smoke production

Categories: Fire protection. Other

Published standard begins : 2025-07-07 		Published standard
BS ISO 16405:2015 Room corner and open calorimeter. Guidance on sampling and measurement of effluent gas production using FTIR technique

Categories: Fire Protection. General

Published standard begins : 2015-03-11 		Published standard
BS ISO 13784-2:2020 Reaction-to-fire tests for sandwich panel building systems. Test method for large rooms

Categories: Fire-resistance. Building materials and elements

Published standard begins : 2020-11-05 		Published standard
Withdrawn (2)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS EN 13823:2010+A1:2014 Reaction to fire tests for building products. Building products excluding floorings exposed to the thermal attack by a single burning item

Categories: Fire-resistance. Building materials and elements | Building elements. General | Construction materials. General

Withdrawn begins : 2020-05-28 		Withdrawn
BS EN 13823:2010 Reaction to fire tests for building products. Building products excluding floorings exposed to the thermal attack by a single burning item

Categories: Fire-resistance. Building materials and elements | Building elements. General | Construction materials. General

Withdrawn begins : 2014-11-18 		Withdrawn