R-value (insulation) as ASHRAE 90.1 and the IECC prescribe U-values. However, R-value is widely used in practice to describe the thermal resistance of insulation products, layers, and most other parts of the building enclosure (walls, floors, roofs). Other areas of the world more commonly use U-value/U-factor for elements of the entire building enclosure including windows, doors, walls, roof, and ground slabs. The SI (metric) unit of R-value is whereas the I-P (inch-pound) unit is For R-values there is no difference between US customary units and imperial units, so the same I-P unit is used in both. Some sources use ″RSI″ when referring
Office of the Australian Building and Construction Commissioner August 2001 and tabled its final report in March 2003. The Royal Commission found that the building and construction industry was characterised by a widespread disregard for the law, cataloguing over 100 types of unlawful and inappropriate conduct. The Commission also found that existing regulatory bodies had insufficient powers and resources to enforce the law. The Building Industry Taskforce (BIT) was the predecessor to the ABCC, and was established on 1 October 2002 as an interim body prior to the establishment of the national agency envisaged by Royal Commissioner Cole. In March 2004 the Interim Taskforce became a permanent taskforce,