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Types of Roof Ventilation Systems and How They Work

Posted by First Quality Roofing & Insulation on Feb 21, 2024 2:07:13 PM

Heat is the enemy of any roof, and with the extreme sun in the Las Vegas area, it takes a robust roof ventilation system to keep your roof cool and maximize its service life. There are many roof ventilation options available, and here is how some of the most popular ones work.

Roof ventilation installed by First Quality Roofing & Insulation in Las Vegas, Nevada

Ridge Vents

Installed at the peak or ridge of a traditional peaked roof, a ridge vent typically works with soffit vents that are installed in the eaves as intakes, though drip edge vents or cupola vents can also serve as intakes. As air in the attic is heated and rises out of the ridge vent due to the chimney effect, cooler air is drawn in through the soffit vents to replace it, cooling the underside of the roof in the process.

Box Vents

Where a ridge vent is not possible, such as on a roof with no opening cut at the ridge or a shed-style roof with no peak, a series of box vents are spaced evenly near the top of the roof. These screened vents are installed on the roof deck, surrounded by shingles, and they cover an opening into the attic. Air from the soffit is drawn in, heated, and exits through the box vents.

Turbine Vents

An active venting system, turbine vents are installed on the roof deck, similar to box vents, but they feature a wind-driven turbine that actively draws air from the attic, replacing it with cooler air from the soffit vents.

Powered Vents

Similar to box vents, powered vents are installed on the roof deck, but they feature a powered fan to draw hot air from the attic and replace it with cooler air from the soffits.

Gable Vents

Installed at each gable end, these vents create a cross-breeze to cool the attic and roof, exhausting hot air and drawing in cooler air. They can be powered or unpowered, though most gable vents feature a large whole-home fan to maximize air circulation.

Professional Roofing Services in Las Vegas

When you need to know which roof ventilation option is the best to preserve the life of your roof, talk to our roofing experts at First Quality Roofing & Insulation. We offer roof inspections, replacements, and repairs throughout the Las Vegas area, and we feature the highest levels of quality and professionalism, along with a 10-year warranty on all roof replacements and up to 100% financing.

When you need the best roof services in Las Vegas, Henderson, Mesquite, Pahrump, or the surrounding area, call First Quality Roofing at 702-262-7847 today.

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