Products We Offer

O’Hagin utilizes state-of-the-art manufacturing techniques to produce an extensive line of attic ventilation solutions. Our patented vents compliment surrounding tiles, shingles, shake, and slate roofs and are available in the following design choices.

O’Hagin Vent Calculator - 3 Simple Steps
Determine Square Feet of Code-required Ventilation
Convert Square Feet to Square Inches
Determine the Adequate Number of O’Hagin Vents
Pre-Construction Services

Let us do the work! Free Layout and calculations.

Serving Architects, Builders and Roofing Contractors

Find a Distributor Near You

With over 1,000 national distributors, find one near you.

View our Products in Use

Check out our gallery to see O’Hagin’s superior attic ventilation products.