Hartco Flooring Company has announced the addition of Adhesive 57, a urethane-based adhesive, to its product line. Adhesive 57 is a VOC compliant adhesive that is designed to spread further and allow for faster installations. It delivers a spread rate of 50-60 feet per gallon and offers excellent initial grab, superior working time, spreads easily, and is freeze/thaw stable, the company says.