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Icopal Limited. Icopal Pour and Roll roof waterproofing. Icopal Vapourbar vapour control layer. Product sheet 4

Certificate 91/2618

Icopal Limited. Icopal Pour and Roll roof waterproofing. Icopal Vapourbar vapour control layer. Product sheet 4

Document Status



Core Supplement




Relates to an elastomeric bitumen sheeting with PET/aluminium core, for use as a vapour control layer in roof waterproofing or insulation systems. Key factors assessed were resistance to water and water vapour, properties in relation to fire, resistance to wind uplift, resistance to foot traffic and durability.


Date of third issue: 28th October 2015. Originally certificated on 11th February 2009.


Publisher History

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.

IHS Markit

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