Attic Air Ridge Vent

Gable vents may circulate air through only a small percentage of your attic.

Attic air ridge vent.

Or worse the exhaust vents could lead to warm moist air from the house s interior being pulled into the attic which could be problematic. Hot air exhaust vents located at the peak of the roof allow hot air to escape. Ridge vents provide constant airflow along the entire undersideof the roof to help remove heat and moisture. Figure 5 ridge vent vs.

The fan replaced an existing can light in the shower and was located in a very difficult corner. This over heated air can damage roof structures and shingles as well as increase cooling costs in the home. Air vent shinglevent ii 1 4 in. Ridge vents do not always provide the proper ventilation in some homes.

Since there isn t any provision for the intake of air the ridge vent is basically ineffective. Figure courtesy of air vent inc. Ridge vent in black with nails sold in carton of 10 4 ft. In hot climates a power vent fan is often mounted behind a gable vent or cut into the roof near the peak to assist this process by forcibly expelling additional hot air from the.

Attic and roof temperatures can soar as high as 160 degrees in the summer. The majority of roofing experts agree that ridge vents are the most effective and cost effective roof vents available. Soffit vents when paired with ridge vents provide complete ventilation for your whole roof surface. Proper attic ventilation consists of a balance between air intake at your eaves soffits or fascias and air exhaust at or near your roof ridge.

Attic air was able to complete the job and clean up all dust and insulation that fell through the attic and vent the fan through the roof in a short amount of time. Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an attic. You ll be able to move air throughout the attic without the use of fans or turbines when enough space is given to this vent design. We see many older homes with no attic ventilation and some that have recently had ridge vents installed.

While this provides an outlet for air flow it does not provide an inlet to complete the convection cycle needed for proper ventilation. The effect of ridge vents for the roof depends upon the energy efficient nature of the structure. Without baffles blinders that prevent outside air from crossing over the vent a ridge vent may create almost no ventilation at all. Federal housing authority recommends a minimum of at least 1 square foot of attic ventilation evenly split between intake and exhaust for every 300 square feet of attic floor space.