FIELD: manufacture of building materials. SUBSTANCE: manufacture of layered coating is characterized by than bitumen or polymer-bitumen binder is applied onto fibrous support simultaneously over upper and lower layers, which are also separated from each other by a polymer film at temperature 120-150 C, followed by doubling material at pressure 0.5-2.0 kg/cu.cm and subsequent cooling to 15-30 C. Strength of roofing and waterproofing material is enhanced owing to reduced internal stresses in material and to increased crack resistance thereof. EFFECT: increased technical and economic characteristics. 6 ex
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