For cobra snow country advanced and cobra rigid vent 3 only use the e z nail system.
Roof ridge vent installation instructions.
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.
Position the aluminum ridge vent along the reference line.
Lomanco omni series ridge vents are available in two versions and two styles.
Place center and conform the cobra 4 1 21 m plastic ridge vent over the slot with the vent resting firmly against the roof surface.
Grasp attached nails by the head and peel back.
The regular omni style is traditionally installed using a hammer while the lo omni style with its low profile can be installed using a nail gun.
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.
The roll versions comes in easy to handle 20 and 30 foot lengths while the stick version comes in 4 foot lengths.
Ridge vent installation place center and conform the cobra 4 rigid vent over the slot with the vent resting firmly against the roof surface.
For cobra snow country advanced ª and cobra rigid vent 3 ª only use the e z nail ª system.
Rotate nail to vertical position for easy removal figure e.
Equal flow of exhaust and intake should be provided.
Inches per linear foot 67 720 m 2 lm of net free ventilating area and its unique easytear sizing feature allows you to hand tear product in 3 76 mm increments no knives necessary and less waste.
It doesn t work well in warmer climates.
Rotate nail to vertical position for easy removal.
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.
Expect the installation of a ridge vent to run about 500 on average if you re not touching the rest of the roof.
Add any connectors and end caps that came with your ridge vent system to ensure the vent is watertight.
It provides 18 sq.
They allow the house to breathe correctly.
As the ridge vent expels hot humid air intake vents feed fresh cool air into the attic.
Extend the life of your roof by adding a roof vent.
Complete replacement may be over 1 000 on some roofing types.
Preparing for ridge vent installation for a ridge vent to work properly it must have adequate intake of fresh cool air.
In this video i replace a poor performing ridge vent with a larger one that helps save my roof.
A roofer will from the attic mark a spot near the ridge of the roof he may first use nails from the attic to mark preferred spots between two rafters.
Grasp attached nails by the head and peel back.