Certificate 09/4706 Ubbink UK Ltd. Multivap roof tile underlays. Multivap 250 breather membrane in energy-efficient non-ventilated cold pitched roof systems. Product sheet 1
Publication Year
2010
Document Status
Withdrawn
Abstract
Relates to Multivap 250 Breather Membrane, for use in non-ventilated cold pitched roof systems. The product is a three-layer composite with outer layers of nonwoven polypropylene and a breathable film in the centre. Assesses weathertightness, risk of condensation, wind loading, strength and durability.
Document History
Date of 1st issue: 6th January 2010. Superseded by 2nd issue dated 26th July 2010.
Publisher Information
British Board of Agrément
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.
Bucknalls Lane
Watford
BBA
UK
Website: http://www.bbacerts.co.uk
Email: clientservices@bbacerts.co.uk
Tel: +44 (0) 1923 665300
