Windo-Weld™ Windo-Weld™ is a distinguished sub-brand of the 3M™ company, particularly noted for its focus on automotive window solutions. This sub-brand specializes in the production and sale of products like their Round Ribbon Sealer and Sealants for Windshields. The Round Ribbon Sealer serves as a high-quality sealer designed to ensure a watertight seal around the perimeters of windshields, rear window glass, and stationary windows. On the other hand, their Windshield Sealants are specifically formulated to provide a robust bond and seal against harsh weather conditions, thereby enhancing the durability and performance of automotive windshields. By integrating Windo-Weld™ products into their maintenance and repair processes, vehicle owners can secure lasting quality and effective protection for their automotive windows.