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Date December 2008-April 2009
Client Valle Commercial Interiors
Design partner Harry Poulos Architects
Consulting engineer Facet Consulting

WHK Horwarth Corporate Offices

Emphasising the natural beauty of timber.

WHK Horwarth Fit-out Project (2009) 120 Edward St, Brisbane.


Requiring more space, this successful accounting firm expanded up. Crucial to this expansion was a light, open interlinking staircase. Fixed stairwell sizing was constrictive, very narrow, so maximising space was essential. A plan incorporating open treads and a single plane of shared glass balustrade successfully maintained the maximum stair width while offering the basis of an attractive stainless steel flat handrail. By minimising the visual impact of the balustrade and the stair structure elevated the aesthetic influence of beautiful Australian hardwood.

Stringer Construction: Commercial grade Precious Silver Pearl painted steel plate and gusset open mono-stringers including landing support (MS2)

Treads: Pre-finished select grade 64mm Spotted Gum manufactured treads with rebated 33mm Latham 322S “Sparkling Black” non-slip nosing strips

Balustrade: 50mm SHS satin stainless stanchions with clasp patch fittings supporting rectangular 8mm clear toughened glass in-fill balustrade, and non-continuous 40x12mm flat bar stainless steel handrail. (C4).

Other Elements: In-wall structural steel.