UltraTile Proflex Tile Adhesive - Flexible Single Part is a single-part, rapid-setting, flexible adhesive designed for wall and floor tiles. Formulated with enhanced adhesion and flexibility, it's perfect for areas prone to slight movement or vibration, such as underfloor heating systems, wet rooms, or exterior installations. Key Features: Suitable Tiles: Ceramic, porcelain, glass, mosaics, marble, travertine, granite, limestone, terracotta, quarry, slate, quartz, brick slips. Adheres to Surfaces: Concrete, sand/cement screed, plywood overlay (15mm min) , tile backer boards, cement-faced fiber boards, anhydrite/calcium sulfate/gypsum-based screeds, firm and stable plaster, plasterboard, sand/cement render, concrete brick/block, hard vinyl tiles, flooring grade asphalt. Light Foot Traffic: Can withstand light foot traffic within 3 hours of installation, depending on temperature and substrate. Specifications: Unit Size: 20kg bags Standard Conformity: EN 12004 Class C2FT S1 Bed Thickne