About 90 percent of homes in the us have unreasonably high levels of moisture.
Attic air ventilation system.
Good ventilation allows the heat and moisture to escape.
The exact number of intake and exhaust vents your roof needs is figured based on the square footage and volume of the attic area.
Attic ventilation serves two main functions.
Understanding whether your home could benefit from some form of attic ventilation might just be if not a life saver a roof saver.
That keeps your attic dry and reduces ice dams.
Air follows the path of least resistance.
In the summer good attic ventilation reduces heat buildup.
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.
In essence all ventilation is about circulating air to keep it fresh and to reduce moisture levels.
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.
It is the recommendation of the ravc that the attic ventilation system always is balanced.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
In short an adequate and balanced ventilation system is one that allows an equal amount of air to enter and exit the attic area.
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.
Intake vents located at the lowest part of the roof under the eaves allow cool.
That cuts cooling costs and prolongs shingle life.
In the winter warm moist air seeps into the attic from the living space below.
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.
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.
It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters.