HAIDA EN 13823 SBI Single Burning Item Apparatus for Building Material Fire Reaction Testing The HAIDA EN 13823 SBI (Single Burning Item) apparatus is a specialized fire testing instrument designed to evaluate the reaction-to-fire performance of building materials. It provides accurate data for Euroclass combustion classification, ensuring materials meet stringent safety and regulatory standards. Built with an IP55-rated enclosure, this equipment is engineered for reliable