FIELD: process engineering.
SUBSTANCE: invention relates to protection of surfaces against fire, noise and heat losses, and may be used in power engineering, oil-and-gas industry, etc. Proposed method comprises consecutive application of thermal protection layers followed by drying. Colour of every next layer differs from that of previous layer. At points where bottom layer displays itself, applied layer thickness is decreased. First layer is used with white dye, following used features black dye in contrast to first one. Thickness increase is performed unless applied layer is dried.
EFFECT: higher efficiency and quality.
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