Proper Roof Ventilation System
It is important that air movement occurs and is not impeded by any framing members of the home.
Proper roof ventilation system. Soffit vents run the full length of a soffit the material underneath your eaves or are placed between the joists. Hot air exhaust vents located at the peak of the roof allow hot air to escape. Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic. In a cold climate the primary purpose of ventilation is to maintain a cold roof temperature to avoid ice dams created by melting snow and to vent any moisture that moves from the conditioned living space to the attic.
Installing continuous soffit vents along the outer edge of the eaves adding a ridge vent insulating along the top plates to meet or exceed the r value already in the walls sealing the attic floor to make it airtight and making sure there s the recommended r value of properly installed. Ventilation and attic vents. 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.
These are the most common intake vents. To protect their investment it is key that your customers ensure the proper ventilation system is installed. Posted on december 13 2017 by david lester. See energy smart details in fhb 218 for more on ice dams.
Help remove excess heat and moisture to protect your roof from premature deterioration. An important part of a healthy home and a complete roofing system is roof vents. See the benefits of attic ventilation. A ridge vent is a ventilation strip that is placed along the ridgeline of the home.
Air flows in through the soffit vents and out through the roof vents. If you see dampness or frost you need better roof ventilation and some attic vents. Selecting metal roof and wall panels is a strategic investment for the life of a building. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
For the best results place roof ventilation near the roof s peak and soffit vents in the eaves. Advantages of proper roofing ventilation. Vents come in various styles. Ridge vents and gable vents serve dual purposes and operate as both intake and exahust vents.