Attic Only Has Gable Vents

According to the guy who writes the home improvement column in the local paper if you add a ridge vent you should close off the gable vents.

Attic only has gable vents.

When the attic becomes part of the home to be heated and cooled open wall gable vents and roof vents are no longer feasible but the underside of the roof the sheathing and rafters can still get. The roofer says closing the gable vents isn t necessary. The most common way to add ventilation to an attic is by installing air intakes in the soffits and putting an outlet at the gable of the house. In months of intense weather the inside of your house can be regulated with heating and cooling systems.

Power gable vent shutter is automatic 20 in. For an attic without soffit vents you may have the option to use gable vents instead. The shutter will open when the electric gable vent is operating. Gable vents are usually installed on the exterior wall of your attic in order to create proper air circulation during extreme climate conditions.

This is called passive ventilation. Static roof line vents are effective for ventilation but generally aren t recommended due to issues with leaks. Typically you would have a gable vent on each end of the attic. Power gable vent shutter is designed to be used with master flow egv pg series electric gable fans.

Gable vents may circulate air through only a small percentage of your attic. Gable end vents is a roof ventilation system that is placed on either side of a gable roof that assists in cooling down your attic or roof. Without baffles blinders that prevent outside air from crossing over the vent a ridge vent may create almost no ventilation at all. These vents allow for a cross breeze through your attic blowing out the warm air and replacing it with cooler less humid air.

Many roofing contractors discourage using a gable vent with ridge vent and soffit vents because a gable vent interrupts the proper airflow and can cause the air current to flow perpendicular and unevenly throughout the attic. This creates a natural air flow by drawing in the air from outside pushing it up and out through the vent at the top of the house. If not the air pathway through the attic will be short circuited flowing only from the gable vents to the ridge vent and not ventilating the lower part of the attic. Suzypq from the breaktime forum.

It is a great ventilation system for your attic or roof on a budget. New construction in climate zone 6a northern nh r40 walls r70 attic. Considering gable vents only for attic ventilation. Current stage is that exterior walls and roof are framed and sheathed.