Replacement Sashes, Wood-In and Wood-Out Windows, Wood and Aluminum Clad Windows and Other Types of Clad like Vinyl or fiberglass. Double and Single Hung Sash Replacement Guide. Details for measuring correctly, how to eliminate costly errors and more. Remember: A sash window or hung sash window .. is made of one or more movable panels [SASHES] that "form a frame" that holds a pane of glass - VISUALIZE A PICTURE FRAME! Some units are separated from other panes or "lites" by internal bars known as "muntins" or moulded strips of wood commonly know as "grilles". Normally the "sash opening" does not include the plastic tracks mounted on the jamb sides of the window opening ( known as jambliners ) but extends directly to the frame surface itself - Reproduction, Wood Sash, Window Sashes, 1 1/2", 1-3/8", 1-1/8", ALENCO, BF-RICH, BETTER-BILT, BILTBEST, CARADCO, HURD, PGT, COLUMBIA, TRACO, CRAFTLINE, CRESTLINE, Truth, ENTRYGARD, Marvin, MALTA, NORCO, PEACHTREE, GUARDIAN, PLYGEM, POZZI, QUAKER, RIVCO, SEAL-RITE, OLDACH, THERMALGARD, pine, douglas fir, spruce, pinewood, oak, composite, painted, aluminum-clad, Skin, Cladding.