Patent ID: 8808448

Claim:
A method of applying a heat insulation layer to a surface, comprising providing a mixture containing: a hydraulic bonding agent comprising 80-90 wt. % of total solid materials of the mixture, the hydraulic bonding agent containing alpha-hemihydrate, beta-gypsum, or a mixture of alpha-hemihydrate and beta gypsum, an aluminum powder-limestone flour mixture comprising 5-14.95 wt. % of the total solid materials, the aluminum powder-limestone flour mixture having a ratio of about 90% limestone flour to about 10% aluminum powder, lime comprising 0.5-5.0 wt % of the total solid materials, citric acid comprising about 0.05 wt % of the total solid materials, and water, wherein the mixture has a pH of 11.8 or more; and applying the mixture in liquid or paste form onto the surface, wherein a water/bonding agent factor is about 0.35-0.65%.