BS EN 13501-1 — Fire classification of construction products and building elements — Part 1: Classification using data from reaction to fire tests

BS EN 13501-1 — Fire classification of construction products and building elements — Part 1: Classification using data from reaction to fire tests. Reaction-to-fire classification system for construction products. Classes A1, A2, B, C, D, E, F with smoke (s1-s3) and droplets (d0-d2) sub-classifications. This page provides a structured summary, key provisions, and practical guidance on the application of BS EN 13501-1 to UK fire safety engineering, building design, and Building Safety Act compliance.

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