25 bauder. co. uk PROJECTS Johnson Fold School Bolton, Lancashire Oak School Bolton, Lancashire Horizon School Hackney Theatre Royal Plymouth Oldham College Greater Manchester REINFORCED BITUMEN MEMBRANE ROOFING 26 bauder. ie SYSTEM AIRTECH BRITISH AND EUROPEAN STANDARDS All membranes comply with BS EN 13707: 2004 Reinforced Bitumen Membrane Sheets for Roof Waterproofing. FIRE RATING EXT. F. AC rating awarded to satisfy the requirements of Part B of the Building Regulations. Tested to BS 476 Part 3 ( ENV 1187: 2002) External Fire Exposure to Roofs. The cap sheet incorporates expandable graphite fire retardant so that in the event of external fire on the finished roof, a ' crust' forms on the surface to prevent the spread of fire. Criagcrook Castle Edinburgh |