Patent ID: 8112941

Claim:
A construction product, comprising: a frame having a sill, a head, a first jamb and a second jamb; at least one sliding sash window, wherein the at least one sliding sash window slides up and down within the frame, comprising: a rail fabricated from a metal and having an interior rail portion and an exterior rail portion; a checkrail fabricated from a metal; a first stile fabricated from a metal; a second stile fabricated from a metal; and a thermal break fabricated from a polymer, the thermal break being an additional component other than the rail, the checkrail, the first stile, and the second stile, wherein the thermal break is only positioned between the interior rail portion and the exterior rail portion of the sliding sash window, and wherein the thermal break has a single central hollowed-out cavity, the thermal break comprising an insulating material that connects and supports the interior rail portion and the exterior rail portion, and operates to limit thermal conduction between the interior rail portion and the exterior rail portion; and a pivot bar having a first end, a second end, and a longitudinal axis therebetween, wherein the first end of the pivot bar and at least a portion of the longitudinal axis of the pivot bar is positioned within and completely encircled by the cavity of the thermal break, and wherein the second end of the pivot bar projects out from the thermal break towards the second jamb of the frame so as to support the at least one sliding sash window when the at least one sliding sash window is in one of a plurality of positions.