Why Your Polymeric Sand Did Not Harden .
WHY YOUR POLYMERIC SAND DID NOT HARDEN "I recently installed your product on a patio. It looks great but if you press on it with your finger, it feels soft." This is a real question we received from a contractor . and we get questions like it a lot. So in this blog post, we''ll address the factors that may contribute to why your polymeric sand did not harden. Photo Courtesy Of Unilock ...