1. Prefabricated accessories for roofing. Roof safety hooks. (15th September 1995) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Specification for access fittings for chimneys and other high structures in concrete or brick work. (31st January 1986) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗