(excerpted info) Recently, The National Center for Asphalt Technology (NCAT) in Auburn, AL completed a comprehensive three-year study, from 2012-2015, regarding the effects crack sealing has on the success of a preservation treatment. 25 different treatments were evaluated. Key Findings Concluded: 1) Crack sealing reduced development of interconnected cracking and reduced subgrade moisture levels. 2) Crack sealing as pre-treatment improved surface treatment r