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.
How to vent a roof properly.
To properly ventilate an attic two types of vents are needed.
How to properly ventilate your attic.
Exhaust vents which are located near or on the ridge line of the roof and allow air to leave the attic.
Hold the vent piece in place until you can nail it down.
A ridge vent is a ventilation strip that is placed along the ridgeline of the home.
Center the vents on the peak of your roof so the sides of the vent lay flat on the roof.
Intake vents which are located at the down slope edge of the roof aka eaves and allow fresh air into the attic.
A drip edge vent is made of a corrosive resistant material that sticks out about three inches back from the roof edge and then bends downward over them.
Roof and attic ventsl protect your house from expensive future repairs.
If you need to cut the vent to fit at the end of your roof use a utility knife to make it flush with your home.
Use enough vent pieces to fill the length of the slot you cut.
It is important that air movement occurs and is not impeded by any framing members of the.
Slits in the product allow for air to flow into the attic.
So only use.
Both roof and soffit vents are easy to install in just a few hours.
Organizations such as the nrca recommend against this roof vent style in cold climates because it can promote ice dams.