Ventilation for buildings. Performance testing of components/products for residential ventilation - Externally and internally mounted air transfer devices Ingestion-build-47553 BS 9999:2008 is based on

BS 9999:2008 is based on government guidance and provides a best practice framework for fire safety

and application recommendations for the coating materials

12 Relationship between project management concepts and processes 4 Project management processes

12 Additional clean-up procedure

Ventilation for buildings. Performance testing of components/products for residential ventilation - Externally and internally mounted air transfer devices Ingestion-build-47553 BS 9999:2008 is based onWhat is this standard about? This document specifies laboratory methods for testing externally and internally mounted air transfer devices operating under pressure differences. This document applies to air transfer devices of the following types: air transfer devices with fixed opening(s); air transfer devices with manually adjustable opening(s); air transfer devices with pressure difference controlled opening(s); window openings specifically designed