Few things are more misunderstood about the home than attic ventilation.
Vented attic definition.
About 90 percent of homes in the us have unreasonably high levels of moisture.
Good ventilation allows the heat and moisture to escape.
Prior to installing the ridge vent a 1 inch wide strip of roof decking is cut out along both sides of the ridgeline to allow for air movement through the vent.
2009 irc 2012 irc adequate attic ventilation is a long standing requirement in building codes for moisture control.
Power gable vent shutter is automatic 20 in.
In the winter warm moist air seeps into the attic from the living space below.
Power gable vent shutter is designed to be used with master flow egv pg series electric gable fans.
Those vents in the attic allow for airflow and that airflow moves the hot air and moisture out of the attic.
For example in the summer months your attic is likely going to be very hot.
It is important that air movement occurs and is not impeded by any framing members of the.
However unvented attics can reduce residential energy needs and are allowed by the code under certain conditions.
That cuts cooling costs and prolongs shingle life.
In cold climates the primary purpose of attic or roof ventilation is to maintain a cold roof temperature to control ice dams created by melting snow and to vent moisture that moves from the conditioned space to the attic ventilation acts to bypass the vapour barrier created by most roof membranes.
Intake vents located at the lowest part of the roof under the eaves allow cool.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
A vented attic system refers specifically to having working vents in the attic.
In essence all ventilation is about circulating air to keep it fresh and to reduce moisture levels.
And i mean completely intact.
In the summer good attic ventilation reduces heat buildup.
The shutter will open when the electric gable vent is operating.
Constructed of white aluminum that can be painted.
