Sealing jamb liner for double-hung window sash.

摘要

A sealing jamb liner (10) for double-hung window sash includes a thick and rigid resin extrusion (24) having a pair of sash runs (11) and (12) separated by a parting bead (13). A pair of extruded flange elements (25). formed of a thin, resilient, and low spring rate resin material are mounted along respective outer sash run edges (21) and (22) opposite parting bead (13). Each flange element (25) has a sealing fin (27) angled obliquely of the adjacent sash run and disposed for resiliently engaging and sealing between a sash and an adjacent trim stop.