PIVOT OPEN NEW HORIZONS TO SPACE
HORIZONTAL PIVOT: WINDOWS OR DOORS THAT OPEN BY ROTATING AROUND A HORIZONTAL AXIS, CENTRALLY POSITIONED BETWEEN THE VERTICAL JAMBS OF THE FRAME. VERTICAL PIVOT: WINDOWS OR FRENCH DOORS WITH SASHES THAT OPEN BY ROTATING AROUND A VERTICAL AXIS, CENTRALLY POSITIONED BETWEEN THE HORIZONTAL JAMBS OF THE FRAME.