Thermal conductivity common use in the construction and textile industries. The construction industry makes use of units such as the R-value (resistance) and the U-value (transmittance). Although related to the thermal conductivity of a material used in an insulation product, R- and U-values are dependent on the thickness of the product. Likewise the textile industry has several units including the tog and the clo which express thermal resistance of a material in a way analogous to the R-values used in the construction industry. There are a number of ways to measure thermal conductivity. Each of these is suitable for a limited range
Development Fund of the Swedish Construction Industry from the Swedish Research Council for Environment, Agricultural Sciences and Spatial Planning (Formas) but also from the Swedish Agency for Innovation Systems (Vinnova), the Swedish Transport Administration (Trafikverket) and other research organisations. SBUF contributes to several major research programmes founded on co-operation between companies and technical universities. Development Fund of the Swedish Construction Industry Employers and employees founded the Development Fund of the Swedish Construction Industry (Swedish: Svenska Byggbranschens Utvecklingsfond, SBUF) jointly in 1983. SBUF is the construction industry's organisation for research and development with approximately 5,000 affiliated companies in Sweden. SBUF aims to promote development in the building process