Accidental explosions are a real hazard in high-risk industries, which – besides preventive controls and emergency plans – often require increased building resilience and blast mitigation. Examples of explosion hazards related to the process industry are; vapour cloud explosions, pressure vessel explosions, condensed phase explosions and dust explosions. Based on the customers’ requirements and the applicable regulations the protection of occupants, critical installations, and essential functions on and off site are to be assured to tolerable risk levels.