Roof ventilation calculator enter your attic area or length and width to determine your ventilation needs.
Attic vent calculator.
Our passive roof vents are ul certified and rated to withstand wind pressure in excess of 200 mph.
To calculate the amount of ventilation you need for your home visit gaf s ventilation calculator now.
Width or area.
You can personalize the calculator for your customer and include your contact information.
Gaf ventilation calculator proper attic ventilation can help reduce the load on your air conditioner.
Select ventilation product flex roll ridge vent multi roll multi purpose vent rigid roll ridge.
Attic vent calculator for years we have been working with architects and specifiers to ensure affordable roof ventilation that upholds building code standards.
With this tool you can quickly and easily estimate your ventilation needs.
Federal housing authority recommends a minimum of at least 1 square foot of attic ventilation for every 300 square feet of attic floor space evenly split between intake and exhaust.