Home / Building structures & components / Roofing / Asbestos cement skylights and manholes Asbestos cement skylights and manholes Description Moulded fixtures into AC sheeting standard sizes. Skylights contained glass panels.For pitched roofs. Years of production/use Prior to 1990 Brands/products FibroliteDurabestosAsbestoliteTasbestos Residential uses Rarely Industrial uses Commercial offices attached to warehouseWarehouses, factories, foundries etc Be aware Disturbance of glass panelling or manhole covers can disturb fibres on older AC components, particularly if weathered. James Hardie image 1960s James Hardie image 1960s Wunderlich image 1951 Wunderlich image 1936 James Hardie image