FIELD: civil engineering, constructions of windows, doors or building facades. SUBSTANCE: window for installation in the roof construction has a frame with a certain quantity of frame members and a great number of brackets. Each mounting bracket has the first flange designed for joining to the outer side of the frame member, and the second flange essentially perpendicular to the first flange and joined to the first flange in the point for joining to the roof construction. The outer side in the bracket, at least of the frame members subject to joining to the mounting brackets, is made with a longitudinal marking stretching in the longitudinal direction of the frame member. The mounting bracket has at least a single marking, each containing a graduated scale designed for engagement with the longitudinal marking of the frame member. EFFECT: simplified installation of the window. 12 cl, 5 dwg
