FIELD: construction engineering. SUBSTANCE: device is used for mounting roof component in roof having thin roofing formed of sheets. It has waterproofing components for connection with components of main frame made of sheet material. Waterproofing components intended for connection with side components of main frame actually have L-shape lateral cross-section with vertical flanged part for resting against side component of main frame, and with flanged part protruding actually in parallel to surface of roof. Protruding flanged part is folded for formation of at least one slot in its longitudinal direction. This slot has hole facing away from side component of main frame for receiving extreme part of roofing formed of thin sheets. Application of aforesaid arrangement ensures reliable sealing of roof. EFFECT: higher efficiency. 11 cl, 6 dwg
