Proper Roof Ventilation System

Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.

Proper roof ventilation system.

Hot air exhaust vents located at the peak of the roof allow hot air to escape. Vents come in various styles. Selecting metal roof and wall panels is a strategic investment for the life of a building. 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.

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. 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.

For the best results place roof ventilation near the roof s peak and soffit vents in the eaves. Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic. Advantages of proper roofing ventilation. Ridge vents and gable vents serve dual purposes and operate as both intake and exahust vents.

Prior to installing the ridge vent a 1 inch wide strip of roof decking is cut out along both sides of the ridgeline to allow for air movement through the vent. To protect their investment it is key that your customers ensure the proper ventilation system is installed. See the benefits of attic ventilation. Posted on december 13 2017 by david lester.

The installation of roof vents is a crucial part of roof design because it allows for proper attic ventilation which may help prevent condensation and early aging of your roofing materials. Optimal air movement not only promotes temperature regulation and energy efficiency but also reduces the risk of moisture related issues like condensation build up. It is important that air movement occurs and is not impeded by any framing members of the home. Soffit vents run the full length of a soffit the material underneath your eaves or are placed between the joists.

See energy smart details in fhb 218 for more on ice dams. 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. A new roof is more than just shingles. An important part of a healthy home and a complete roofing system is roof vents.