An example from UK
Classification in the UK today and in the EU system
Insulation material | Fire load MJ/m³ | UK class | Likely Euro-class |
Rockwool stone wool | Class 0 | A1 | |
Rockwool stone wool withalu-facing | Class 0 | A1 | |
Phenolic foam | 500 | Class 0 | C |
Polystyrene foam | 700 | Not classified | E |
Polyurethane foam | 1100 | Not classified | E |
Polyurethane foam with alu-facing | 1100 | Class 0 | E |
