WebBS EN 13501-1 divides building materials to 7 classes according to their reaction to fire: •A1 –Non-combustible materials, do not contribute to the development of a fire •A2 –Materials with limited combustibility, do not contribute to the development of a fire •B … WebMay 1, 2024 · A1 It does not fuel and does not contribute to the fire. Among them we can find concrete, glass, steel, natural stone, bricks, and ceramic materials and products. A2 Little fuel and very low...

Insulation Products Knauf Insulation

WebFire Classification - Achieves a Euroclass A1 Reaction to Fire classification, according to EN 13501-1 *Tested by the University of Salford to BS EN ISO 10140-2:2010. Key Considerations. When using ISOVER Metac, you need to satisfy yourself that use of the product meets all relevant national Building Regulations and guidance as well as local ... Web(4) EN 60754-2: a1 = conductivity < 2.5 μS/mm and pH > 4.3 a2 = conductivity < 10 μS/mm and pH > 4.3 a3 = not a1 or a2 (5) The smoke class declared for class B1ca cables must originate from the EN 50399 test (30 kW flame source) (6) The smoke class declared for … harbour plymouth

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WebThe vast majority of our products are non-combustible and achieve the highest possible Euroclass A1 Reaction to Fire Classification. Using non-combustible materials minimises the risk that the building fabric will contribute to the development of the fire or contribute to fire spread. Fire Resistance WebA ceiling tile with an A1 combustibility rating does not fuel a fire but please note that this does not necessarily mean that the same tile can be used to create a fire-rated ceiling. The below tile is the most cost-effective available that has a Euroclass A1 (non-combustible) rating: Rockfon Artic. 2. WebThe European Reaction to Fire classification system (Euro classes) is the EU common standard for assessing the qualities of building materials in the event of a fire. Euro classes arise from classification systems for ‘reaction to fire’ performance of construction products. The Euro class system c++ handle to string