Sikaflex® and SikaHyflex® stand for best-in-class and high quality envelope sealants. To achieve best performance for your application our assortment comprises of all major sealant technologies. Advanced polyurethane sealants for porous substrates and innovative silicones for non-porous substrates, or where a high adhesion is required, our unique silane-modified polymer range. Element bonding adhesives provide a rigid bond between elements to transfer load. Sikadur® epoxy adhesives have been used effectively to bond precast concrete elements together and provide a waterproof seal. They also have excellent adhesion to many other materials and can be used to bond different substrates.