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The weather-strip assembly described in this patent includes a metal surface, a thin tie layer of polymeric material covering at least select portions of the metal surface, and an elastomeric material received over the thin tie layer of polymeric material. The assembly exhibits improved bonding with the metal through the thin layer of polymeric material. Preferably, the thin tie layer is a polypropylene-based olefinic copolymer and an ethylene acrylic acid copolymer.