Sidelite Adapter (for High Dam thresholds, 10-36" width)
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Sidelite adapter to convert our high-dam thresholds for use in sidelite panels. Adapter (also known as a seat, spacer, or riser) replaces the threshold rail and supports and seals the sidelite panel which rests on top. Most common sizes are 10" (for a 9 7/8" panel), 12" (for a 11 7/8" panel) and 14" (for a 13 7/8" panel). In general, we recommend the riser be 1/8" larger than the true width of the panel.