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
Dubai Chamber of Commerce and Industry (building) Dubai Chamber of Commerce and Industry (building) Dubai Chamber of Commerce and Industry (), also referred to as the Chamber of Commerce Building, is a building in Dubai, United Arab Emirates (UAE). Located in eastern Dubai in Deira, the building is the headquarters of the Dubai Chamber of Commerce and Industry. It is located in the Rigga Al Buteen community, along Dubai Creek and is part of the old Dubai downtown. At in height, the Chamber of Commerce building was the seventh-tallest building in Dubai at the time of its construction in 1995 (after Dubai World Trade Centre, Deira Tower,