ChemGrout announces addition of the Quattro continuous mixing and pumping and spraying system. ChemGrout, Inc., LaGrange Park, IL, is introducing a new continuous mixing system that is ideal for the installation of self-leveling underlayments. The UTIFORM Quattro is the first product line to be distributed by ChemGrout. The Quattro is known for its efficiency, portability, ease of use and cost-effective price.