Attic Ventilation Calculator

Thanks for your interest in our attic ventilation calculator.

Attic ventilation calculator. Ventilation calculator let owens corning roofing help you calculate exactly how much ventilation you will need for a healthy and balanced attic with our 4 step ventilation calculator. Save this simple excel file to your computer and use it any time. Roof ventilation calculator enter your attic area or length and width to determine your ventilation needs. Effective attic ventilation requires air to exit at or near the peak of the roof and replacement air to be drawn in under the eaves of the house via soffit venting.

With this tool you can quickly and easily estimate your ventilation needs. Our passive roof vents are ul certified and rated to withstand wind pressure in excess of 200 mph. Select ventilation product flex roll ridge vent multi roll multi purpose vent rigid roll ridge. The home ventilating institute hvi recommends that powered attic ventilators provide at least 10 air changes per hour to equalize attic temperature.

You can personalize the calculator for your customer and include your contact information. Attic vent calculator for years we have been working with architects and specifiers to ensure affordable roof ventilation that upholds building code standards.