For most asphalt shingle ridge caps there are two.
How to shingle a attic aire ridge vent.
Install the ridge vent shingle over style install the ridge vent aluminum.
The inside air moves through the ridge vest underneath the cap shingle to escape from the side and into the general atmosphere.
Cut the ventilation opening.
Start by removing the nails holding the ridge cap shingles in place.
Install new field shingles.
Prior to installing the ridge vent a 1 inch wide strip of roof decking is cut out along both sides of the ridgeline to allow for air movement through the vent.
This happens because of the change in air pressure.
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To begin the ridge vent installation they measure down 3 inches from the top of the ridge and snap a line to cut the opening for the ridge vent.
A ridge vent is an important part of a home s roofing system.
It is important that air movement occurs and is not impeded by any framing members of the.
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Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an attic.
A ridge vent is a ventilation strip that is placed along the ridgeline of the home.
Using a circular saw with a carbide tip blade one of the roofers plunges the saw into the ridge at the ends and then follows the chalk line.
Installed at the peak of a sloped roof the ridge vent allows damp warm air to escape from the attic.
Remove the shingle caps.
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.
Although mold and mildew are not as much a threat in the winter months it is still a genuine threat that you want to avoid at all costs.
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.
Dry air to enter the attic.
A properly installed ridge vent increases energy efficiency and prolongs the life of your roof.