Position the aluminum ridge vent along the reference line.
How to install roof ridge vent on existing roof.
Next they will outline the area using chalk and use a circular saw to cut away sheathing about one or 1 5 inches down on either side of the ridge stopping three inches from the end of the roof on either side or according to how far from the end the.
How to install a ridge vent first the roofer should remove any cap shingles along the ridge.
Ridge vents cost 2 to 3 per linear foot.
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A properly installed ridge vent increases energy efficiency and prolongs the life of your roof.
The amount of venting your attic needs is based on its floor space and to ensure proper air circulation the venting should be equally divided.
This video details how to install roof vents in a r.
Before the ridge vent installation begins the crew installs pieces of peel and stick membrane to patch under the existing felt paper on the adjacent wall.
Exact rates depend on the type size and number of units you choose to install.
Fasten the vent to the roof decking and rafters or trusses by nailing through the flange on both sides of the vent using the nails and nail spacing recommended by the manufacturer.
Installed at the peak of a sloped roof the ridge vent allows damp warm air to escape from the attic.
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Add any connectors and end caps that came with your ridge vent system to ensure the vent is watertight.
Then they lap the peel and stick existing felt and new housewrap over the step and kick out flashings so that any water hitting the wall is directed onto the roof instead of behind the flashing.
How to add a roof ridge vent to an existing roof.
A ridge vent is an important part of a home s roofing system.