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 the resources sector and academics. In March and April 2011 the ABCC held a series of Roundtable events in Canberra, Sydney, Melbourne, Perth and Brisbane, to provide a forum for all industry participants to discuss the issues surrounding unethical practices and reach industry-wide solutions. The ABCC released its Report on 29 November 2011, which outlined ten recommendations aimed at eliminating sham contracting within the building and construction industry. The recommendations range from looking at the legislative definitions of ‘employees’ and ‘contractors’, developing Whole-of-Government regulatory responses and examining how the ABCC might better conduct its core work investigating breaches of Australia’s