ROOF OF BUILDING WITH INTERNAL WATER DRAIN Russian patent published in 2002 - IPC

FIELD: construction industry. SUBSTANCE: traditional roof of building with internal water drain includes inclined plates of covering made of reinforced cement and concrete supports. Plates of covering have zigzag form and rest against concrete rafts of wall and solid concrete supports which function as collectors of water and are fitted with three-conduit gutter. EFFECT: simplified design of roof with internal water drain, prolonged service life of building with reduced expenses for its erection and exploitation. 6 dwg