Fire Performance of Single Ply Roofing Systems

Description

In this presentation we will first give a short overview of the different types of single ply membranes, their main methods of attachment and where they can be used. We will look at how flexible membranes are used to provide a robust waterproof covering for flat roofs and discuss the performance requirements that need to be considered when specifying a single ply flat roofing system. We will then move onto the main topic “the external fire performance of single ply roofing systems”.

This will be done by first explaining the fire testing that single ply roofing system manufacturers must undertake and then looking at how fire testing results relate to Approved Document B of the building regulations covering fire safety. We will continue to explore that document to understand how the ban on the use of combustible materials within some construction applications may affect the use of single ply membranes in certain situations where they form part of an external wall or are used as part of a specified attachment to a relevant building.