Non-combustible materials

Non-combustible materials are defined
in Table A6 either as listed products, or in terms
of performance:

a. (National classes) when tested to BS 476:
Part 4:1970 Non-combustibility test for
materials or Part 11 :1982; or

b. (European classes) when classified as class
A 1 in accordance with BS EN 13501-1 :2002
Fire classification of construction products
and building elements. Classification using
data from reaction to fire tests when tested
to BS EN ISO 1182:2002 Reaction to fire tests
for building products - Non-combustibility
test and BS EN ISO 1716:2002 Reaction to
fire tests for building products. Determination
of the gross calorific value.

Table A6 identifies non-combustible products
and materials, and lists circumstances where
their use is necessary.