Overview
O'Hagin is the leading designer and manufacturer of attic ventilation solutions. Whether the project calls for tile, shingle or slate, there's an innovative O'Hagin ventilation system perfect for the job. Beyond products, O'Hagin provides our partners - architects, builders, roofers and distributors - with a range of value-added services, such as our Free Attic Ventilation Analysis & Vent Calculator. From pre-construction services to product