1. EN ISO 8990, Thermal insulation: determination of steady-state thermal transmission properties, Calibrated and guarded hot box.
2. EN 1934, Thermal performance of building: determination of thermal resistance by hot box method using heat flow meter, Masonry.
3. EN 1745, Masonry and masonry products: methods for determining design thermal values, April 2000.
4. ISO 8301, Thermal insulation: determination of steady-state thermal resistance and related properties, Heat flow meter apparatus.
5. prEN 12664, Building materials: determination of thermal resistance by means of guarded hot plate and heat flow meter methods, Products of high hand medium thermal resistance.