Roof Ventilation Source

The net free area is the total unobstructed area through which air can enter or exhaust a non powered ventilation component.

Roof ventilation source. These vents allow exhaust to escape. An example of how roofing can be ventilated. Continuous or individual soffits. Soffit vents are one of the most popular intake vent styles.

There are two main types of roof ventilation. Different forms of high and low level ventilation are used as well apart from the soffit vents and ridge vents pictured. Factors such as code requirements regional climate and roof and ceiling designs all need to be considered when venting your roof. They are easy to install under the roof s overhang which is known as the soffit are generally hidden from sight and provide excellent protection from weather outdoor debris and pests while still allowing air to flow into the attic.

Finding a trusted and experienced roofer who has worked in your region for his or her entire career is a better for your particular roof than any research study or online expert. Planning your ventilation system when you are planning your attic ventilation system you should have at least one square foot of net free ventilation area for every 150 feet of attic space measured at the attic floor level. Roof ventilation systems are unique to every home. In some ways roof ventilation is as much as an art as it is a science and installing your own roof vents based on something you read online is like trying to diagnose a skin rash using webmd.

Proper roof ventilation 101. Roof ventilation at work.