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Roofing ventilation requires more than just putting a few holes in the roof for air to escape. There are a few things that make roof ventilation an essential part of any roofing system so it must be as efficient as possible. Here is a quick overview on how roof ventilation works.
Roof ventilation operates on the principle of how temperature affects the air inside the roof. Warm air rises up while cold air flows down. An effective roof ventilation system will allow the rising warm air to leave through air outlets, preventing it from getting trapped. The warm air that flows out creates room for cooler air.
Roofing experts say that air contains water vapor. Because a poorly ventilated roof traps plenty of air, it also means the area gets saturated to the point where it gets humid enough that water droplets form on surfaces. Effective ventilation lets your roof air itself out, lowering the risk of moisture damage related to condensation.
The roof’s vents are supposed to prevent the roof from become too hot. This is even more important during winter as trapped warm air can heat up the roof from underneath, melting the snow on the surface, causing it to form into solid ice and create potentially damaging ice dams. With warm air having a way out, the roof doesn’t heat up and become vulnerable to this problem.
It takes a considerable amount of knowledge and the right training to ensure that the roof’s ventilation functions efficiently. Because of this, we strongly recommend getting help from certified roofing experts instead of trying to attempt a DIY installation. This also protects your roof with product or service warranties should a problem occur because of a botched installation.
Get a well-ventilated roof with help from our team. Krech Exteriors is the leading roofing contractor in Minneapolis and St. Paul. You can call us at (651) 349-4514 or fill out this contact form to request a quote.
