BAM™, the Bostik Accelerated Mortar, offers a standard feel with rapid return. It is the best in its class, demonstrating exceptional strength as a high-performance, fiber-reinforced mortar for large and heavy tile. And with that comes the power of RapidCure™ Technology, specially formulated for maximum performance in commercial and residential applications, making most jobs ready to grout in 4 hours while delivering an open time and adjustability time of up to 30 minutes at exceptional bond strength that exceeds ANSI 118.15 requirements.