This happens because of the change in air pressure.
How to shingle a attic aire ridge vent.
A ridge vent installation project will either involve a metal ridge vent or shingle over vents.
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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.
The filtered shingle over ridge vents external baffle pulls air out of the attic as well as deflects rain and snow away from it.
Ridge vent installation is used to provide cooling along the entire roof deck.
A ridge vent is an important part of a home s roofing system.
Hot air exhaust vents located at the peak of the roof allow hot air to escape.
If there are more than one they are centered between the rafters and installed at regular intervals in a horizontal line along the roof.
The ridge vents allow for this moisture to escape so that you do not have a build up of this humid air threatening to cause damage to your roofing members and anything stored in your attic.
Dry air to enter the attic.
The wind which blows over your roof will help to draw the hot moist air out of your attic when roof ridge vents are installed correctly.
Static vents come in a variety of different styles and sizes but are all non motorized vents installed near the roof ridge to allow for unobstructed flow of air from the attic.
Installation is performed from end to end and has a low profile to keep the home aesthetically pleasing.
Installed at the peak of a sloped roof the ridge vent allows damp warm air to escape from the attic.
This filtered vent also helps extend roof and shingle life by protecting the attic from heat and moisture damage.
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Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an attic.
The inside air moves through the ridge vest underneath the cap shingle to escape from the side and into the general atmosphere.