Quality Adhesive Trowel: Bostik #82 Square-notch Trowel
Bostik's Best is a one-part, trowel-applied, tacking moisture-cure, urethane adhesive; this advanced scientifically formulated adhesive does NOT contain water.
Bostik's EFA+ is a one-part, trowel applied, moisture cure urethane adhesive that does NOT contain water. Once cured, EFA is waterproof and is not adversely affected by exposure to moisture or water.
Bostik's Ultra-Set SingleStep2 is a high performance adhesive, moisture control, and sound reduction membrane all in one.