Withdrawn, Document not available for download
Relates to aggregate-coated tilesheets, preformed from steel coated with zinc, aluminium-zinc alloy or zinc-aluminium-magnesium alloy; for use on conventional steel or timber roof structures. Key factors assessed were weathertightness, properties in relation to fire, strength and stability, and durability.
Certificcate suspended 19th December 2019. Date of third issue: 5th December 2016. Originally certificated on 31st March 1995.
The British Board of Agrément have been providing authoritative and independent information on the performance of building products for over 40 years. The certificates they produce contain data on durability, installation and compliance with Building Regulations.
NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.
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