Encyclopedia
Building roof
roof: the upper element of the covering (roof), protecting the building from penetration of atmospheric precipitation; it includes roofing materials, the base for the roof, accessories for ensuring ventilation, junctions, safe movement and operation, snow retention, etc.
Source: "SP 17.13330.2011. Code of Practice. Roofs. Updated Edition of SNiP II-26-76"
(approved by Order of the Ministry of Regional Development of Russia dated December 27, 2010 No. 784)