Snap-Z is a revolutionary ridge roof venting system made specifically for standing seam metal roofs. Our vent closure system is sold to dealers and distributors throughout the US. Our 2 step process makes it faster and more efficient to install saving you time and money. Snap-Z is designed to specifically keep the attic cool and helps to maintain proper humidity balance. The roof vent system comes in 3 separate models to complete any roofing project.