Notably, Class 0 and the BS 476 tests do not measure the combustibility of a material or the combustibility of the core of a composite (or sandwich) material such as an Aluminium Composite Material (ACM) cladding panel.

Is Class O non combustible?

Notably, Class 0 and the BS 476 tests do not measure the combustibility of a material or the combustibility of the core of a composite (or sandwich) material such as an Aluminium Composite Material (ACM) cladding panel.

What class are non combustible materials?

‘Non-combustible’ building materials are those which, under the prescribed test conditions, cannot burn or contribute to the development of a fire. These are, according to the EN 13501-1 qualification, class A1 and A2 materials.