An easy tool to determine the number of O’Hagin attic vents required for your project!
STATE-OF-THE-ART ATTIC VENTILATION PRODUCTS
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Approvals, technical bulletins, warranty and building code information
NATIONALLY RECOGNIZED DESIGNER AND PRODUCER OF ATTIC VENTILATION SOLUTIONS
Benefits of Attic Ventilation
Our Story
From its founding roots as a roofing company over 40 years ago, O’Hagin has grown into a nationally recognized designer and producer of top-quality, state-of-the-art attic ventilation solutions. Today, O’Hagin has local and national testing approvals; is recognized for its industry-leading efforts in research, development and testing; and holds multiple domestic and international patents with many more pending.