Standard and hybrid window replacement systems used in residential and commercial windows and doors comprised primarily of metal parts sold together as a unit in the nature of a clad window sill and a clad window frame with integral jamb liners, a metal jamb cap on the lower inside side jamb, and a metal head jamb adapter which fits inside a window head and side jamb assembly all of which mates over an old base window frame and sill, and wherein all exterior components and portions of components of hybrid window replacement systems are matched in materials and color; Window sashes primarily of metal which connect to any counter balance to finish as a set up unit; Replacement window cladding systems primarily of metal parts in the nature of a functioning window that mates to an existing base window frame, head and sill after removing the old sash, jamb-liners, exterior brickmold, blind stops including casings, and head, side, and sill stops; Replacement windows primarily of metal parts; Doors primarily of metal parts

Standard and hybrid window replacement systems used in residential and commercial windows and doors comprised primarily of nonmetal parts sold together as a unit in the nature of a clad window sill and a clad window frame with integral non-metal jamb liners, a non-metal jamb cap on the inside side jamb, and a non-metal head jamb adapter which fits inside a window head and side jamb assembly, all of which mates over an old base window frame and sill, and wherein all exterior components and portions of components of hybrid window replacement systems are matched in materials and color; Window sashes primarily of non-metal which connect to any counter balance to finish as a set up unit; Replacement window cladding systems primarily of non-metal parts in the nature of a functioning window that mates to an existing base window frame, head and sill after removing the old sash, jamb-liners, exterior brickmold, blind stops including casings, and head, side, and sill stops; Replacement windows primarily of nonmetal parts; Doors primarily of non-metal parts