to be an Employee Owned Company Off-line Processes Splicing Splice detail of an EPDM compartment seal with wire carrier and dual durometer Rubber extrusions, such as large gaskets..., are often joined at the ends to produce a ring or circle. With this splicing technique, we place the two ends (slightly apart from each other) of the finished extrusion... to the ends of the extrusion, creating a circle and forming the gasket. We often refine this process to create square corners and other molded features that combine to make an extrusion...