Certainteed intake vent provides continuous intake airflow at the roof s edge and provides proper intake ventilation for homes with little or no overhang.
Roof intake ventilation.
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.
Soffit vents are one of the most popular intake vent styles.
Commercial attic vents the keepa attic vent is built exclusively for flat roof ventilation roof pitch is 2 12 or less.
The following product options will allow you to achieve an intake nfva of 528 square inches.
Intake vents such as soffits are placed lower on the roof usually under the eaves.
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.
Choose one of the following products to meet the recommended intake nfva of 528 square inches.
Hot air exhaust vents located at the peak of the roof allow hot air to escape.
The keepa attic vent is used for ventilating attics and or plenum as a roof exhaust vent or as an air intake roof vent.
It s a roof top installed shingle over intake vent that can be used to supplement existing soffit or undereave vents.
Keeping your attic well ventilated may even reduce your energy costs durable construction for long lasting performance.
Tips for assessing your needs.
Current irc requirements do not factor the role a roof s pitch plays in the amount of attic ventilation needed but ventilation manufacturers do.
Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic.
Generally as the roof pitch increases the volume inside the attic also increases along with the amount of needed attic ventilation.
Ventsure inflow intake vent.
They are easy to install under the roof s overhang which is known as the soffit are generally hidden from sight and provide excellent protection from weather outdoor debris and pests while still allowing air to flow into the attic.
Federal housing authority recommends a minimum of at least 1 square foot of attic ventilation evenly split between intake and exhaust for every 300 square feet of attic floor space.
Here s a rule of thumb to follow.
Exhaust vents like attic fans ridge vents are primarily placed at the very top of the roof or the highest pitch where hot air gathers.
Multiple types of vents can work together to create an equal inflow of cool air and outflow of hot air in your house.
As part of a ventsure balanced air ventilation system of intake and exhaust the ventsure inflow vent helps reduce heat and moisture buildup that can lead to ice damming and roof deterioration.
A bottom intake design that helps.
It alleviates moisture in the winter and heat in the summer to extend roof membrane life.
