MIDDAS M100 Solid Partition Fire Resistance Certificate Class 0 Surface Spread of Flame to BS 476: Part 6: 1989+A1: 2009 and BS 476: Part 7: 1997 MIDDAS Viewing archived certificate data This certificate has been archived and is no longer valid. I am happy to view this archived certificate and understand that such data may not be valid. Confirm and view certificate data