Stephanie McDonald . Articles IN PROFILE: David Karotkin A&D speaks to, David Karotkin, who recently took the helm at Australian Institute of Architects’ WA Chapter. IN PROFILE: Graeme Gunn We catch up with architect and academic Graeme Gunn, the 2011 winner of the RAIA's Gold Medal for Architecture. The impregnator: where more than water meets its match When it comes to protecting stone flooring surfaces, there are commonly two ways it is done - with topical sealants or impregnators. Both products have their advantages and disadvantages. Precious rain, down the drain With Australia experiencing its wettest spring on record last year, it can be easy to forget about historical water problems. This complacency has put water management issues on the backburner. The underbelly of roofing exposed A sporting stand in Brisbane has used a fabric roofing product in a unique application. New legislation pushes the retrofit revolution Victoria has introduced Australia's first legislation to support the large scale environmental retrofit of city buildings.