20 years ago our Tech-Dry scientists had a revelation. In 1996, we made a significant breakthrough in our silicone nanotechnology research and created the admixture Emulsion KR2, which renders dry pressed concrete water repellent and extends its lifespan . The admixture become a permanent integral part of the concrete for its entire life and makes … Continue reading Celebrate with us the 20 year anniversary of the Tech-Dry Masonry Blocks!