Construct, part of the Fortify System by Fuzion. Now Available in a 30gm jar! Construct is a revolutionary new formula of gel that can be used as a base coat under hard gel to virtually eliminate separation and lifting. Construct is also designed to create a simple one step gel overlay. 60s LED/120s UV. Fortify by Fuzion The Fortify System's primary focus is to prevent lifting and separation for your hard gel nail application. . This revolutionary formula also is amazing for natural nail overlays and gel polish manicures. . Fortify is designed for virtually every client's needs! . Fortify's intense strength makes it extremely versatile, and will ensure a successful service outcome everytime!