BS EN 12667:2001 Thermal performance of building materials and products - Determination of thermal resistance by means of guarded hot plate and heat flow meter methods - Products of high and medium thermal resistance
Specifies principles and testing procedures for determining, by means of the guarded hot plate or heat flow meter methods, the thermal resistance of test specimens having a thermal resistance of not less than 0.5m²K/W.
Together with BS EN 12664 and BS EN 12939 supersedes BS 874-2-1:1986 and BS 874-2-2:1988.
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