Raamruum
Raamruum is a term used in Estonian architecture and construction to denote the space defined by a window frame that is available for glazing and hardware. The word combines raam, meaning frame or window, with ruum, meaning space. In practice, raamruum describes the interior spatial envelope within which the window components are installed, including the sash cavity and glazing bead area. It is distinct from the rough opening, which refers to the larger structural opening in the wall before the window is fitted.
In architectural drawings and specifications, raamruum is used to determine the glazing area, insulation needs, and
Raamruum varies with window type and construction method, including casement, sash, and fixed units, as well