Provide ventilation for your chosen location with the provide ventilation for your chosen location with the al s millworks 16 in.
Detached attic exhaust vent.
The keepa attic vent is used for ventilating attics and or plenum as a roof exhaust vent or as an air intake roof vent.
Hot air exhaust vents located at the peak of the roof allow hot air to escape.
This product measures 16 in.
That said air resistance and interference such as vent grates reduces the area of true ventilation.
The keepa attic vent is built exclusively for flat roof ventilation roof pitch is 2 12 or less.
They are typically easier to install and won t detract from the appearance of your roof.
Outside air enters the attic space through soffit or eave vents rises through the attic space as it warms and exits through vents that are positioned at or near the top.
For this method to be most effective approximately equal amounts of ventilation should be placed at the soffits or eave level and at or near the top of the attic space.
Proper attic ventilation consists of a balance between air intake at your eaves soffits or fascias and air exhaust at or near your roof ridge.
It alleviates moisture in the winter and heat in the summer to extend roof membrane life.
If two different types of exhaust vents are combined for example a ridge vent and a gable louver the primary path of air becomes the distance between the two types of exhaust vents.
In other words the entire vent opening doesn t count as vented space.
They can quickly remove a larger volume of hot and or humid air from your attic compared to static ventilation which helps save money on your heating and cooling costs.
See the benefits of attic ventilation a new roof is more than just shingles.
Effective attic ventilation systems reduce damaging heat and moisture in your attic promote energy efficiency by helping to reduce the load on your air conditioner in the summer and also reduce the risk of ice dam formation on your roof.
Most homes already have some passive attic venting built in.
Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic.
Cedar wood rectangular louver vent.
The egv6 power gable mount vent can move air at a rate of up to 1600 cu.
Cool air enters the attic through soffit vents in the eaves.
Generally speaking you need a ratio of 1 300 where for every 300 square feet of ceiling space you need 1 square foot of attic ventilation.
Wide and is made of western red cedar.
More product details close.