What are the Reaction to Fire classifications applicable to England and Wales?
In addition to the response given to question 1, insurance design guides and Approved Document B of Building Regulations refer directly to both European (BS EN 13501-1) and ‘National’ (BS 476) classifications. The European system ranks the safest products as A1 and A2, with the most combustible being classified as F. Similarly, the National system extends from non-combustible to Class 4.
