GOST R 54469-2011 Building materials and products of high and medium thermal resistance. Methods of determination of thermal resistance by means of guarded hot plate and heat flow meter
GOST R 54467-2011 Thick building materials and products of high and medium thermal resistance. Methods for determination of thermal resistance by means of guarded hot plate and heat flow meter
GOST R 54469-2011 history
2011GOST R 54469-2011 Building materials and products of high and medium thermal resistance. Methods of determination of thermal resistance by means of guarded hot plate and heat flow meter