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Product name: Pemko 303_PK Perimeter Gasketing Product characteristic: Pemko 303_PK Perimeter Gasketing consists of an aluminum channel which accepts a PemkoPrene® gasket designed to be soffit-applied to the jamb and header of an opening effectively sealing any gap between the door and frame. - The line includes models which can be mounted to either wood or hollow metal doors. - The line includes models which can be applied in either external or internal applications. - This line is provided with standard sheet metal fasteners, but special fasteners are available. Examples include selftapping/ self-drilling and security fasteners.