NFRC HSGS40 External Storage of Lightweight Material(s)
This guidance sets out the considerations that must be given to weather conditions, in particular the effect of wind on lightweight and unfixed materials when storing lightweight materials at height, such as flat roof insulation boards and attenuation layers.
This guidance sets out the considerations that must be given to weather conditions, in particular the effect of wind on lightweight and unfixed materials when storing lightweight materials at height, such as flat roof insulation boards and attenuation layers.
This 16 page document provides an overview of changes following the 2025 revision of BS 6229 (Flat roofs with continuously supported flexible waterproof coverings).
