Installation of windows. A frame without a double -glazed window and the wings are installed in the opening. Put it in level. Fix it to the opening. Install double -glazed windows and sash. Process joints with foaming installation.
Installation of windows. A frame without a double -glazed window and the wings are installed in the opening. Put it in level. Fix it to the opening. Install double -glazed windows and sash. Process joints with foaming installation.