Historical
BS EN 131-1:2007+A1:2011
Ladders. Terms, types, functional sizes (British Standard)
This European Standard defines terms and specifies the general design characteristics of ladders. It applies to portable ladders. It does not apply to step stools for which EN 14183 applies. It does also not apply to ladders designed for specific professional use such as fire brigade ladders, roof ladders and mobile ladders.
Content Provider
British Standards Institution [bsi]