The equipment for passive fire protection systems of the building engineering, particularly for the industry, requires additional functionalities apart from merely being fire resistant - e.g. making for potentially explosive atmospheres as per Directive 2014/34/EU and the related harmonized standards. „Mercor” S.A. holds this type of solutions in its offer. These are products designed for use in areas with possibility of occurrence of explosion hazards caused by gases and flammable air-dust mixtures. The offered solutions ensure high level of safety and reliability of protection in areas of high explosion hazard (chemical works, refineries, industrial plants).