ROOF COATING Russian patent published in 2019 - IPC E04D7/00 

FIELD: construction.

SUBSTANCE: invention relates to construction and can be used in construction of roofing of civil and industrial buildings. Coating includes a base – a coating plate, a primer coat, a vapor barrier and bitumen, a heat-insulating layer on which there is a binding from bitumen-mineral mixture and a waterproof carpet (bitumen mastic). Binding is bitumen-mineral mixture modified with expanded clay gravel with thickness of 30 mm. Expanded clay is used as the heat-insulating layer.

EFFECT: low bitumen capacity, high mechanical strength and heat resistance of the bitumen-mineral composition of the clay modified with expanded clay gravel, while maintaining high physical and mechanical and operational characteristics.

1 cl, 2 tbl, 1 dwg