Grace Construction Products is a global leading manufacturer of a wide range of innovative specialty construction chemicals and materials, including structural waterproofing systems, concrete admixtures and injectable chemical grouts. In July 2011 WR Grace & Co. acquired De Neef Conchem Group. With over 30 years experience, DeNeef has built a strong presence as the leading polyurethane grout manufacturer in the world. Our cutting edge technologies and dedicated contractor support team have proven invaluable to our success and the success of our customers.
62 Whittemore Avenue, Cambridge, MA 02140 USA