How this works is by bringing in fresh air to your attic or plenum you pressurize the cavity.
Roof vents and exhausr vents.
When installed as part of a properly balanced when installed as part of a properly balanced attic ventilation system gaf cobra exhaust vent is a shingle over exhaust vent installed at the roof ridge that helps exhaust excess heat and moisture from your attic.
The trapped hot air goes out from the attics through the ventilation space into nature.
Attic vents roof louvers and static vents that bring in fresh air to your attic enable your roof exhaust vents to work efficiently.
The idea of roof vents existed for hundreds of years with natural vents employed in chinese buildings during the tang dynasty natural ventilation ducts in the buddhist monks caves and wind catchers incorporated in arabian architecture.
The supply of the fresh air flush enables the hot air to escape up and through your roof exhaust vents.
To best help fight heat buildup moisture buildup and ice dams attic ventilation must be a balanced system of intake vents placed low on the roof in the soffit or at the roof s edge and exhaust vents placed at or near the roof s peak.
They are meant to let the air from indoors travel outdoors so there is continuous air flow.
It comes on an easy to install flexible mesh roll and is hand nailable with no complicated fitting wrapping nail gun adapters connectors or end plugs needed.
The building codes and building science for.
Exhaust vents unlike intake vents are installed at the topmost point of the roof.