How to add a roof ridge vent to an existing roof 1.
Installing roof ridge vent existing roof.
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.
A properly installed ridge vent increases energy efficiency and prolongs the life of your roof.
A ridge vent is an important part of a home s roofing system.
Installed at the peak of a sloped roof the ridge vent allows damp warm air to escape from the attic.
This aluminum cap is the finished product and does not require additional asphalt shingle ridge caps.
Remove all the shingle caps from the roof ridge from one side of the roof to the other by prying them up with a pry.
The ridge of the roof is prepared similarly for both types of ridge vent.