Installing Roof Ridge Vent Existing Roof
This aluminum cap is the finished product and does not require additional asphalt shingle ridge caps.
Installing roof ridge vent existing roof. 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. A ridge vent is an important part of a home s roofing system. The ridge of the roof is prepared similarly for both types of ridge vent. Snap a chalk line on either side of the ridge that is about an inch from the peak and cut the shingles along both.
How to add a roof ridge vent to an existing roof 1. Installed at the peak of a sloped roof the ridge vent allows damp warm air to escape from the attic. A properly installed ridge vent increases energy efficiency and prolongs the life of your roof.