Gables And Roof Ridge Ventilation

Gable vents are usually chosen for their visual appeal but can also serve as an exhaust vent.

Gables and roof ridge ventilation.

Ridge vents run along the top length of the roof. Ventsure 4 foot strip heat moisture ridge vent. Installing the vents can become a major production. As long as you have adequate soffit vents and they are unobstructed the ridge vents will out perform any other non motorized vent system.

Ventsure 4 foot strip heat moisture ridge vent with weather protector moisture barrier. These vents allow for a cross breeze through your attic blowing out the warm air and replacing it with cooler less humid air. And how they work together is that the wind blows and it presses up into the soffit vent rides up under the roof sheathing and then exits at the ridge. 27 lineal feet required.

Wind blows over the ridge and pulls heated air and moisture from the attic creating a uniform air movement that eliminates hot spots. Gable vents will alter the air flow around the ridge vent and especially when wind is parallel to the ridge at right angles to the gable can actually reverse air flow through the ridge vent pulling rain or snow into the attic. It is a great ventilation system for your attic or roof on a budget. They are small and hidden from sight by shingles.

Some homes don t need them especially if you have soffit and gable vents. Hidden in plain sight and often camoflauged by specialty ridge shingles these. They allow airflow while directing rain away from the attic space. Others will benefit from this unique design structure without needing to worry about the composition of their roof.

Choose one of the following products to meet the recommended exhaust nfva of 528 square inches. Gable vents can actually get in the way of this heat rising effect allowing cross breeze or cooler air to enter the attic and circulating the hot air back down. Some ridge vents have a baffled ridge. Ridge vents are installed on the peak of the gable roof.

These roof ridge vents pros and cons are essential to review when you re thinking above a roofing upgrade. The ridge is always in a depressurized area of the house because the wind hits that and sort of bounces off the roof and goes in a circular motion which causes a draw at the ridge.