How Many Roof Turbines Do I Need

In addition pay attention to the maximum roof pitch that will work with the turbines.

How many roof turbines do i need.

You will first need to know the surface area of the roof in order to calculate how many turbine vents you will need. Calculation for common roof types. Other types there are also several other types of roof vents including dome or box shaped vents that run through the roof itself. Soffit vents to the peak of the roof.

Roof vents need to move hot humid air from the attic to the outdoors so that humidity doesn t build up and cause mold rot or other moisture problems that findlay roofing regularly sees when dealing with attic issues. Ft of vent space half dedicated for air intake in the soffits and the other half for exhaust on the roof. Use this simple diy guide to figure out which turbine ventilator best suits your needs. All you need to know about attic ventilation.

There s no point in wasting time and money getting the wrong ventilator for your roof though. These will not rust. That rule can change if the slope of your roof is more than the average 6 12 slope a rise of six feet for a run of 12 feet because there will be more space heat and moisture to ventilate in the attic. Enter square footage calculate or enter the square footage of the attic or area to be vented.

The total nfa of the roof vents you need should be split 50 50 between intake and exhaust. One static vent style is the turbine. How many vents do i need. As a general rule your roof needs 1 square foot of vent area for every 150 square feet of attic space.

There are also gable and roof fans which actively pull the hot air out of the attic. The table below is a guide that can be applied to most common roof types and pitches. 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. Appear too out of place on the roof.

Using a roof turbine ventilator to increase the flow of air in your attic is a great idea. These can be ridge vents wind turbines or the flat vents your roofer wants to install. Since turbines are attached directly to attic spaces they can siphon away that moist air effectively. The turbines are adjustable so that the spinning part is level even though the roof is slanted.

These specialty vents do not. Turbine vents located higher on the roof s surface turbine vents make use of a wind powered turbine to suck all the moisture and hot air out of the attic. Good attic ventilation is important for preventing ice dams in the winter. Not all turbines will fit all roof pitches.