Cut a square hole in the roof the same size as the hole in the base of the vent you re installing.
How to install air vent black roof power ventilation.
Provided that the products covered by this warranty have been installed in strict accordance with the air vent inc.
Intake vents make up the other half of the system.
Passive ventilation it won t add to your energy bill.
Roof mount power attic vents.
Done right roof ventilation can cut cooling costs in summer and heating costs in winter as well as prolong the life of your roof.
Hot air exhaust vents located at the peak of the roof allow hot air to escape.
Having both a power vent and ridge vent installed on your roof can short circuit the attic ventilation system.
Roof mount power fans are a type of motor driven attic exhaust vent that make up half of a balanced attic ventilation system for each roof.
When the power vent goes on it can actually pull air from the ridge vent which can cause an imbalance of airflow along the underside of the roof deck.
When the power vent goes off it acts like a roof louver an opening on the roof.
Below the peak of the roof.
Taking advantage of this natural process referred to as passive ventilation is the most common way to vent an attic.
But the question of whether to install a ridge vent or a power vent isn t nearly as simple.
Air vent provides a complete line of ventilation products that meet the highest standards for quality and performance.
Locate the top of the hole about 15 in.
The installation of a turbine vent is nearly identical to a static vent.
Together they help remove any built up heat and moisture inside the attic for year round ventilation.
Some of the arguments in favor of ridge vents include.
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.
Don t cut into any rafters.