Versico Roofing Systems is pleased to announce additions to its line of VersiWeld® TPO and VersiFlex™ PVC prefabricated accessories. Versico now offers heat-weldable TPO and PVC One-Way and Two-Way Pressure Relief Breather Vents, Square Top Vents, and T-Top Vents. These vent offerings are pre-flashed, metal vents that are ready for installation. Available in standard white, these vents can also be custom-ordered in gray and tan.