Attic Air Ventilation System

Air follows the path of least resistance.

Attic air ventilation system.

When installed as part of a properly balanced when installed as part of a properly balanced attic ventilation system gaf cobra exhaust vent is a shingle over exhaust vent installed at the roof ridge that helps exhaust excess heat and moisture from your attic. Attic ventilation serves two main functions. It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters. That cuts cooling costs and prolongs shingle life.

However if your attic has blocked soffit vents and is not well sealed from the rest of the house attic fans will suck cool conditioned air up out of the house and into the. This means an equal amount of intake net free area through vents positioned in the soffit overhang or near the roof s lowest edge and exhaust net free area through vents installed at or near the peak of the roof. In essence all ventilation is about circulating air to keep it fresh and to reduce moisture levels. Good ventilation allows the heat and moisture to escape.

A home s ventilation system consists of everything from roof vents to the best attic fans without the right roofing and attic ventilation system your home can become uncomfortable and cost more to cool or heat. Intake vents located at the lowest part of the roof under the eaves allow cool. In a properly designed and installed attic ventilation system that means the air will flow from the intake vents to the exhaust vents flushing out the warm moist air along the entire underside of the roof deck. In short an adequate and balanced ventilation system is one that allows an equal amount of air to enter and exit the attic area.

In the summer good attic ventilation reduces heat buildup. That keeps your attic dry and reduces ice dams. Attic fans are intended to cool hot attics by drawing in cooler outside air from attic vents soffit and gable and pushing hot air to the outside. In the winter warm moist air seeps into the attic from the living space below.

To lower attic temperatures and to remove excess moisture. Plus roofing and attic ventilation systems can protect homes from the expensive roof and structural damage caused by trapped heat ice dams moisture and mold. Lowering the temperature in the attic can help reduce air conditioning energy costs and roof deck temperature optimize the service life of a roof covering and minimize ice damming. Understanding whether your home could benefit from some form of attic ventilation might just be if not a life saver a roof saver.

The exact number of intake and exhaust vents your roof needs is figured based on the square footage and volume of the attic area.