Bostik 4 Gallon UltraGrip High Performance Adhesive, Moisture Control, and Sound Reduction Membrane, $349.99 USD/Box, LL Flooring (Lumber Liquidators)

The Bostik UltraGrip High Performance 4-in-1 Adhesive delivers patented thickness control spacer technology. It features AxiosTM tri-linking polymer technology that ensures efficiency and easy cleanup. Enjoy easy cleaning both before and after curing. It also comes with a lifetime unlimited moisture vapor warranty and superior sound dampening performance.