R-value (insulation) contain no trapped CFCs or HFCs (e.g., half-pound low density foams). On certain brands, twenty-year tests have shown no shrinkage or reduction in insulating value. This has led to controversy as how to rate the insulation of these products. Many manufacturers will rate the R-value at the time of manufacture; critics argue that a more fair assessment would be its settled value. The foam industry adopted the LTTR (Long-Term Thermal Resistance) method, which rates the R-value based on a 15-year weighted average. However, the LTTR effectively provides only an eight-year aged R-value, short in the scale of a building that
Office of the Australian Building and Construction Commissioner Office of the Australian Building and Construction Commissioner The Office of the Australian Building and Construction Commissioner (ABCC) (2005–2012) was an independent, statutory authority, responsible for monitoring and promoting workplace relations in the Australian building and construction industry. The ABCC provided education, investigated workplace complaints and enforced compliance with national workplace laws in the industry. The ABCC did this by: The ABCC was abolished on 31 May 2012, and many of its functions were taken on by a new independent, specialist agency called Fair Work Building & Construction. The Royal Commission into the Building and Construction Industry was established in