How Does A Roof Ridge Vent Work

That s the small side portion of ridge vent that looks like a vent.

How does a roof ridge vent work.

As the ridge vent expels hot humid air intake vents feed fresh cool air into the attic. A roof ridge vent is a fixed vent installed on the ridge of a roof to ensure proper air ventilation within the house or building. Having roof vents can make a huge difference in your life. First hot air naturally rises and exits out the ridge vent pulling in cool air from below.

That means you have a lower risk of mold or mildew development. Basically a roof ridge vent is a vent that is installed on the peak of your roof which allows when installed along with soffit vents for hot and humid air to escape your roof by drawing in cool air through your soffit vents and pushing that hot air through your ridge vent. Roof ridge vents do work well when there are soffit vents or box vents that help to draw air into the attic. The problem with gables is they short circuit the air flow paulcp writes.

It s not extremely expensive to install ridge vents but it does take a few ben franklin s. Adequate soffit ventilation coupled with ridge ventilation produces a pathway for a continuous airflow along the entire underside of the roof deck. An aluminum ridge vent has a mushroom shaped profile combined with a wide flange on both sides that sits on top of the roof shingles. The main purpose of a roof ridge vent is to optimize airflow under the roof.

What is a ridge vent and how does it work. 900 square foot attic 150 square feet 6 square feet of net free area. Airflow is maintained two ways. Well when hot air in your attic rises and you have roof ridge vent installed the positive airflow across the ridge of roof exchanges air naturally by allowing the hot air that rises to escape from in the vent like openings in the ridge vents.

Equal flow of exhaust and intake should be provided. Once installed on the ridge line and possibly covered with shingles the vents are inconspicuous. Even without soffit vents a ridge vent is much more effective than gable vents paulcp thinks hammer is right. Ridge vent works on the basis of several principles.

You will also discover that this product can work by itself to release moisture from the house which is especially useful during the winter months. For a ridge vent to work properly it must have adequate intake of fresh cool air. A shingle over vent is installed over the ridge of a roof and is covered over by asphalt shingle caps that match the surrounding roof shingles. Ridge vents are excellent additions to the gable and soffit vents your home may already have.

Ridge vents are typically made of metal.