Hybrid sealants are best defined as a fusion of technologies: the best performance properties of urethanes combined with the best of silicones. In this fusion process, each technology’s inherent weaknesses are minimized. Urethane and silicone sealants are often referred to as high-performance sealants because they provide significant adhesion, movement capability, and durability. Hybrid sealants, therefore, combine the strength of polyurethanes with the weathering resistance of silicones to create a high-performance, functionally versatile sealant.
Along with their high-performance properties, hybrid sealants are gaining in popularity due to their solvent- and isocyanate-free nature, as well as their flexibility and adaptability. Hybrid sealants bond with most construction materials, such as concrete, stone, wood, metal, plastic, polycarbonate, ceramic tile, and gypsum boards. They also bond well with porous surfaces.1