The vertical pivot window was developed in 1950.
Vertical pivot windows have operable sashes that open on a vertical axis. One side opens inward while the other opens outward. The pivot point can be located asymmetrically.
The vertical pivot window was developed in 1950.
Vertical pivot windows have operable sashes that open on a vertical axis. One side opens inward while the other opens outward. The pivot point can be located asymmetrically.