Roof Gable Ventilation

Without baffles blinders that prevent outside air from crossing over the vent a ridge vent may create almost no ventilation at all.

Roof gable ventilation.

A gable vent is a slotted piece of wood or siding that s installed into the side of a home near the gable where two roof pitches meet in a triangle. As established gable vents are vents that are specifically designed to fit the slope and angles that accompany gable roofs. The majority of roofing experts agree that ridge vents are the most effective and cost effective roof vents available. 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.

A ridge vent is a ventilation strip that is placed along the ridgeline of the home. When used in conjunction with soffit vents they serve as exhaust vents. Gable vents can function as both intake and exhaust but rely on strong winds to be effective so they are recommended to be used in conjunction with additional intake soffit vents near the bottom of the roof. It is important that air movement occurs and is not impeded by any framing members of the.

One often sees gable vents that are small in size and clearly won t provide adequate nfva. So if you can have a soffit vent and a ridge vent that s the best situation. These vents allow for a cross breeze through your attic blowing out the warm air and replacing it with cooler less humid air. Gable attic ventilation is usually found on the exterior wall of the house near the top of the roof and you can choose the size you want your vent to be as well as the shape.

If you re not going to have a soffit vent frankly it really doesn t matter because you re not going to have the pattern that we would like you to have and you just have another hole in the space to let air out. The benefits are obtained not only by saving money but also by protecting the health and the home. Gable vents may circulate air through only a small percentage of your attic. By having the gable vent you get some sort of turbulence up there that interrupts that flow.

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.