As the ridge vent expels hot humid air intake vents feed fresh cool air into the attic.
How roof ridge vents work.
Start by removing the nails holding the ridge cap shingles in place.
Cut the ventilation opening.
One of the great things about a ridge vent is that it is at the topmost point of your roof with hot air constantly rising it is bound to make it way out of the top of your vents thus bringing in cooler air through your soffit vents and into your roof cooling it down.
Adequate soffit ventilation coupled with ridge ventilation produces a pathway for a continuous airflow along the entire underside of the roof deck.
For most asphalt shingle ridge caps there are two.
If there are more than one they are centered between the rafters and installed at regular intervals in a horizontal line along the roof.
Even without soffit vents a ridge vent is much more effective than gable vents paulcp thinks hammer is right.
Equal flow of exhaust and intake should be provided.
Install the ridge vent shingle over style install the ridge vent aluminum.
Roof ridge vents do work well when there are soffit vents or box vents that help to draw air into the attic.
First hot air naturally rises and exits out the ridge vent pulling in cool air from below.
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.
The problem with gables is they short circuit the air flow paulcp writes.
That s the small side portion of ridge vent that looks like a vent.
Ridge vent works on the basis of several principles.
That means you have a lower risk of mold or mildew development.
Remove the shingle caps.
Ridge vents openings that run the entire length of your roof along the ridge are often visible only to a trained eye.
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.
Install new field shingles.
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.
Hidden in plain sight and often camoflauged by specialty ridge shingles these.
900 square foot attic 150 square feet 6 square feet of net free area.
For a ridge vent to work properly it must have adequate intake of fresh cool air.
How to install a static vent.