C.R. LAURENCE AS1456 CRL Two-Piece Self-Sealing Universal Weatherstrip 11/64" to 3/16" Panel - 3/16" to 1/4" Glass. CRL Two-Piece Self-Sealing Weatherstrips are perfect for working on farm equipment, off road equipment or older trucks. CRL has the weatherstrip you will need to perform the best gasket set installations possible. These weatherstrips are designed with the majority of installation configurations in mind. This weatherstrip is made of Ethylene Propylene Diener Monomer (EPDM) Material.