The AM-BOSS "Inferno-Boss" offers the only Australian made fire-rated pull-down access ladder with a -/90/90 rating, which is CodeMark Certified. Tested in 2013, Inferno Boss has a load capacity of over 200kg at four key structural points and comply with AS1530.4-2005. Currently, the ‘Inferno-Boss’ is manufactured on-grade at approximately 68° to suit ceiling heights up to 3000mm. The ladder is made of strong, durable welded aluminium with a width of approx. 400mm and 75mm-deep stiles and treads.