The Quarrix Smart Plug™ Roof Patch is the smartest solution for covering holes in the roof – FAST! It easily installs in seconds – Place It – Nail It – Done! It is an easy plug solution that makes converting from static vents to ridge ventilation products faster and stronger than other methods. Made of heavy-duty 24 gauge galvanized steel with a reinforced backside that can hold more than 700 lbs. 7/16″ thick OSB, and can be installed with a nail gun. Fits standard sized holes left by box, slant-back and turbine vents; available in 8” and 12” sizes.