SEF 777 / SEF 777 WHITE is a high-performance, polymer-modified adhesive classified as C2TES1 and Type 3 TS1, specially designed for exterior wall applications and installation of large-format ceramic, vitrified, semi-vitreous tiles, marble, granite, and natural stones on interior walls and floors. With excellent bond strength, water and shock resistance, and enhanced flexibility, it is ideal for both dry and wet areas—including swimming pools, washrooms, and other demanding environments. Engineered for durability, SEF 777 delivers reliable performance in both residential and commercial settings.