High Friction Surface Treatments are being tested or are already in frequent use in most states at this time. As with any type of overlay, there are many different placement theories to choose from when you go to write your own specifications. As members of the leading HFST supply and installation companies in the United States, we have seen first-hand which methods work the best for quality, efficiency and overall safety results, as well as which ones don’t work well at all. Below you will find a selection of HFST Specifications that have been carefully reviewed and appear to provide the best quality results and satisfaction for Project Owners around the Country. We encourage you to review these and utilize them when preparing your own Specifications.