David Wheeldon . Articles Residential building approvals bounce back in March ABS Building Approvals show that the number of dwellings approved rose 7.4 per cent in March 2012, following a fall of 8.8 per cent in February. Rates cut spurs calls for more action as industry wallows The plight of the building industry remains in the national spotlight as Australians wait to see if the banks will pass on the RBA's interest rates cut. Look out below: Glass floor shower over 15 storey lift shaft A novel glass application in a house Mexico, this transparent shower floor looks straight down a 15 level volume that was originally intended for an elevator which was never installed. Rates cut spurs calls for more action as industry wallows The plight of the building industry remains in the national spotlight as Australians wait to see if the banks will pass on the RBA's interest rates cut. Fratelle Group design green roof residence in WA - and questions why there aren’t more Having recently designed a home with a green roof in Burns Beach in Western Australia, architect Adrian Fratelle is questioning why they have been slow to gain popularity in the state. BIM and the future of product specification Building Information Modelling (BIM) will transform and dramatically improve the way building designers specify products. David Wheeldon reports.