Malerba manufactures timber and metal fire-resistant doorsets from EI30 to EI120, DAS doorsets, glazed frames and duct blocks at its factories in the Rhône. Its fire ranges are certified under the marque NF — “NF Portes résistant au feu en bois” through FCBA and “NF Portes résistant au feu en métal” through AFNOR Certification — covering the mode 0, 1 and 2 self-closing and hold-open DAS configurations. The NF certificates and CE marking declarations are published in its documentation library.