With over 30 years experience, DeNeef Construction Chemicals Inc. has built a strong presence as the leading Polyurethane Grout Manufacturer in the world. Our cutting edge technology and dedicated Contractor Support Team has proven invaluable to our success and the success of our customers. Let us introduce you to products such as SUPERFLEX, our new durable flexible ACRYLATE GROUT with field adjustable set times of 3 seconds to 3 hours! Deneef also has full line of injectable tubes, waterstops, microfine cements, methacrylates, epoxies, polyurethanes, acrylates and MORE! Experience, Quality, Support. Team DeNeef…the Difference.