210 Classic Ct. Suite 100
Rohnert Park, CA 94928
Phone: 800 394-3864
Fax: 707 588-5772

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.

Product Offering

  • Standard Attic Vents
  • WeatherMaster Attic Vents
  • Fire & Ice Attic Vents
  • Universal Direct Deck Attic Vents