• Type I Mastic for floors and walls
• Spreads easily, dries fast, simple cleanup
• Premixed and ready-to-use
• Meets ANSI A136.1 Type I and II specifications
• Traffic – Residential/Light Commercial
• Drying Time – 24 hrs

Roberts 5900 is a high performance, ready-to-use Type I Mastic for installing ceramic, porcelain, natural stone, quarry and mosaic tile on floors and walls. It may be used for countertop, backsplash and shower wall installations, too. It spreads effortlessly, sets quickly and is easy to clean up.