Other tools NBS offers a range of tools for specification and collaboration National BIM Library The most trusted BIM Library in the UK, certified to the internationally-recognised NBS BIM Object Standard Uniclass 2015 A dynamic and unified classification system for the construction industry covering all sectors Construction Information Service (CIS) A comprehensive online collection of construction related standards, regulations, technical advice and articles Plug-ins NBS provides a range of tools to help connect your CAD model to your specification model
Platform Resources Support Events About TheNBS.com Manufacturers Uniclass 2015 Get in touch

Platform

NBS Chorus Features and pricing Book a demonstration Sign in to NBS Chorus Other tools National BIM Library Uniclass 2015 Construction Information Service (CIS) Plug-ins

Resources

Knowledge Sample Specification Case studies Authors

Support

Training Downloads and updates

About

About NBS Newsroom

Platform

NBS Chorus Features and pricing Book a demonstration Sign in to NBS Chorus Other tools National BIM Library Uniclass 2015 Construction Information Service (CIS) Plug-ins

Resources

Knowledge Sample Specification Case studies Authors

Support

Training Downloads and updates

About

About NBS Newsroom

Certificate 16/5385 Wonderbuilds Inc. Ltd. Wonderbuilds breather membranes. Wondervent for use in warm non-ventilated and cold ventilated roofs. Product sheet 1

Publication Year

2017

Document Status

Withdrawn

Abstract

Relates to WonderVent Breather Membranes comprising of a flexible three-layer polypropylene sheet. This product is to be used as roof tile underlays in warm non-ventilated and cold ventilated pitched roofs. Key factors assessed include weathertightness, risk of condensation, wind loading, strength and durability.

Document History

Superseded by the second issue, dated 19th September 2019. Date of first issue: 21st February 2017.

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