Architect and Builder Magazine South Africa January/February 2014 | Page 43

Type 2: Single glazed spandrel: 6.38mm laminated Ener-G-Smart Neutral safety glass; Air gap: 50mm from glass to back pan. Powder coated back pan with 40mm thermal insulation to specification. This was to retain a glass aesthetic without compromising insulating qualities. U-value: 0.5 W/m2.K Type 3: 4mm composite aluminium coil faced panel, colour to be specified. 40mm thermal insulation to specification. Alice Lane Type 4: 6mm Eclipse Advantage grey toughened safety glass. U-value: 3.4 W/m2.K Type 5: 6mm Eclipse advantage grey safety glass; powder coated galvanized back panel colour QQL 258 charcoal; 40mm thermal insulation; powder coated internal aluminium panel, colour QQX 202 Matt new Silver. U-value: 3.9W/m2.K The development required the demolition of the existing Standard Bank building Roof Area There is 300m2 of open space on the roof which has been provided for use by the gym. 43