How To Vent A Roof Properly

This article will help you determine if your attic is properly ventilated and show you how to install more vents if you need them.

How to vent a roof properly. Both roof and soffit vents are easy to install in just a few hours. Roof and attic ventsl protect your house from expensive future repairs. Hold the vent piece in place until you can nail it down. 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. 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. Unvented assemblies work particularly well on complex roofs that would be difficult or impossible to vent properly or on roofs where it would be difficult to insulate properly if the roof were vented. 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.

A ridge vent is a ventilation strip that is placed along the ridgeline of the home. Slits in the product allow for air to flow into the attic. Intake vents which are located at the down slope edge of the roof aka eaves and allow fresh air into the attic. Organizations such as the nrca recommend against this roof vent style in cold climates because it can promote ice dams.

Center the vents on the peak of your roof so the sides of the vent lay flat on the roof. So only use. 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. Through provision r806 4 the irc also allows you to build an unvented roof assembly.