Multiply it by 18 square inches the net free air per foot of ridge.
Low profile roof ridge vent.
Provides awesome ventilation and at the same time keeping out snow and rain.
Vents evenly spaced underneath the roof provide intake.
Profilevent s compatibility with a steep roof pitch makes it uniquely suitable for these applications without sacrificing performance of your metal roof ventilation.
Lomanco aluminum ridge vent model lpr.
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.
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.
Once installed its almost invisible.
Low profile blends with roof construction.
Optional straps available in all colors.
It is designed to draw fresh air from soffit vents as well as exhausting unwanted hot air via the ridge line.
Lomanco aluminum ridge vent model vur.
To calculate an example of exhaust and intake use 25 feet of roof ridge vent.
Large 2 inch wide nailing flange.
Low profile shingle over vents your attic building.
Factory assembled and ready for installation.
This gives you 450 square inches of total exhaust.
Vents feature the cor a vent a time tested economical self cleaning and durable ventilation core.
Aerodynamic design revolutionary three baffle system for complete weather protection.
Low profile shingle over vent installs at the peak of the roof allowing exhaust ventilation along the entire ridge.
With this feature the vent can take advantage of the wind that hits the baffle by deflecting it up and over the vent creating low pressure above the vent s louvers.
Unit moves toward the ridge on floating roofs and vents are made to match roof slope and maintain a low profile appearance.
All steel parts are 24 gauge.
This low pressure literally pulls more air out of the vent than otherwise would exit the vent without an external baffle.
Easy installation male female connections no straps necessary.