For more than three decades, RENKO® Rubber has been synonymous for innovative high quality rubber products, including weatherstripping and weatherseals (EPDM rubber). Renko® Rubber supplies ready-made and custom-made weatherstripping and weatherseals and sealing systems to the window & door and building industries. Renko&＃039;s high quality and customer satisfaction is our business. Renko® manufactures and distributes weatherseals, weatherstripping, extruded seals, bulb seals, door seals, foam seals, foam strips and glazing gaskets to the window and door industry, along with numerous molded parts for the plumbing and construction industry.