ROOFING STRUCTURE Russian patent published in 2007 - IPC E04D11/02 E04D3/36 

FIELD: construction, particularly built-up roofs, for instance consisting of two or more layers bonded together in situ.

SUBSTANCE: roofing structure includes upper coating made as waterproof mat, lower profiled deck and heat insulation arranged between upper coating and lower deck. Filtering condensate removal layer is arranged on lower profiled deck. Above components are connected with each other by means of fastening members. The first fastening members include rods welded to lower profiled deck surface by the first ends thereof so that the rods are transversal thereto and washers. Another ends of the first fastening members are directed towards mat. The washers are secured to free rod ends after the first heat insulation layer lying on the rods. Another heat insulation layers are arranged on the first one. The second fastening members are rods with heads having developed surfaces and connected to the first rod ends. Another rod ends are provided with tapering threads for rod screwing in heat insulation from mat side. Each rod has height exceeding heat insulation thickness. Rod head is located between overlapped edges of adjacent mats.

EFFECT: increased water-tightness and strength.

3 cl, 1 dwg