flex-joint-before March 17, 2017 400 × 308 Roadware Flexible Cement II™ The concrete shrinks as it cures for the first year causing the joint to widen and the filler to fail. Like this:Like Loading... Share this: Click to print (Opens in new window) Print Click to email a link to a friend (Opens in new window) Email MoreTweetLike this:Like Loading...