Window terms and definitions from Synergy Plus LLC
There are currently 4 names in this directory beginning with the letter H.
HeadThe Horizontal top portion of the main frame.
Head ExpanderA vinyl shape cut the width of a product and placed on the head fitting over snugly. The piece is used as a filter to expand or lengthen the unit from the head and take up gap in the opening between the unit and the opening in the unit.
Hopper DownA window with a bottom-hinged sash that opens inward for ventilation.
Hopper UpA window with a top-hinged sash that opens inward for ventilation.