How Much Roof Vents Do I Need

Rafter vents or insulation baffles install in any rafter space to create narrow gaps that direct fresh air from the soffit vents to the peak of the roof.

How much roof vents do i need. The exact amount of air vents depends on the type and size of your roof. How much ventilation does a hot roof need. Take for example ridge vents. I have roof vents so i have roof ventilation.

Soffit vents are vital in keeping air flowing throughout your attic space. Enter square footage calculate or enter the square footage of the attic or area to be vented. If you have a hot roof or are getting one installed how much ventilation will it need. Also your building codes may dictate how many and which kind of vents you.

There are a number of different types of vents to choose from so getting the ones to suit you should not be difficult although you will still need to work out how many to purchase. Proper attic ventilation can help reduce the load on your air conditioner. While hardly anybody agrees on the best roof ventilation system everybody agrees some roof vents do hardly any good at all. The majority of roofing experts agree that ridge vents are the most effective and cost effective roof vents available.

Then add those all together and enter the total into the area. These specialty vents do not affect the. If there are more than one they are centered between the rafters and installed at regular intervals in a horizontal line along the roof. That depends on a few different variables including the size of the roof the roofing material and what the building will be used for.

It will do the rest for you. If you house is something other than a rectangle you will need to calculate the area length x width of the individual sections of your house. They should be divided equally between inlet and outlet vents and they can be used in any combination that will work with your roof s design. 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.

How to install a garage vent. Even if you have vents in your roof you still need to have soffit vents to allow the air to circulate naturally. Thus if your attic is 450 square feet you need roof vents equaling 3 square feet. To calculate the amount of ventilation you need for your home visit gaf s ventilation calculator now.

We do complete roofing jobs including roof ventilation and a lot more so we can help you with everything you need for your roof.