Vented Attic Definition

2009 irc 2012 irc adequate attic ventilation is a long standing requirement in building codes for moisture control.

Vented attic definition.

The shutter will open when the electric gable vent is operating. In the winter warm moist air seeps into the attic from the living space below. Those vents in the attic allow for airflow and that airflow moves the hot air and moisture out of the attic. Intake vents located at the lowest part of the roof under the eaves allow cool.

An unvented attic is one which is not ventilated and this is important one where the ceiling has complete air vapor and thermal controls in place. A vented attic is one where air flow enters the soffits flows through channel vents along the roof sheathing and out the peak through gable or ridge venting. Few things are more misunderstood about the home than attic ventilation. For example in the summer months your attic is likely going to be very hot.

In the summer good attic ventilation reduces heat buildup. Power gable vent shutter is automatic 20 in. In essence all ventilation is about circulating air to keep it fresh and to reduce moisture levels. A vented attic system refers specifically to having working vents in the attic.

Power gable vent shutter is designed to be used with master flow egv pg series electric gable fans. That cuts cooling costs and prolongs shingle life. Constructed of white aluminum that can be painted. It is important that air movement occurs and is not impeded by any framing members of the.

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. And i mean completely intact. A ridge vent is a ventilation strip that is placed along the ridgeline of the home. 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.

Good ventilation allows the heat and moisture to escape.