The materials specified for the staircase were very important. The treads are composed of Victorian ash, which has also been used in the handrails and as the flooring timber for the entire gallery. On the leading edge of the tread, dark jarrah timber was chosen both to clearly demarcate the edge of the step for safety, but also to create a striking design feature. Upstairs, a thick glass block floor is demarcated by the same Victorian ash flooring and handrails.

TECHNICAL SPECIFICATIONS