We offer a range of scaffolding equipment, including ladders. Contact KWALITY BUILDING & CONSTRUCTION MATERIALS in London. All the ladders provided by KWALITY BUILDING & CONSTRUCTION MATERIALSare of high quality and comply with the BS EN 131 standards. Galvanized steel ladders are available in 3m,3.5m,4m,5m,6m, and 7m sizes. HD Steel Ladders are available in 3m,3.5m,4m,5m,6m,7m, and 8m sizes.