BSS means - Blade Stop Spacer. A -61 for example would be used after the series of the closer being used.
CSS means - Cush Shoe Support. A -30 for example would be used after the series of the cl...
When dealing with glass lights in doors, there are three (3) critical dimensions which must be coordinated:
Exposed Glass Size (EGS) - the horizontal and/or vertical dimensional size of the vision...