The roof ventilation system is working from last15 years and continuous worked as a roof ventilator. These systems are invisible for us but they create a system through which air enters your attic space and then smoothly flows from your attic space. No matter what the season of the year, the air exits the attic space through small gaps at the peak of the roof of your house. These gaps can be covered with any number of different products that allow air to pass smoothly, but prohibit rain water, snow and insects. You can't see these vents as they are almost always covered by the roofing shingles at the peak.The basic mechanics of the air movements in the room are quite simple. During warm weather, the air inside your rooms are heats up. Since warm air rises, it tends to float out of the high ventilation spaces. This convection movement naturally draws in cooler outside air to replace the hot air that just exited.
Air that blows across the roof in that any season of the year also acts to vacuum air from the roof space. The wind blowing across the roof can create a partial vacuum on the leeward side of a roof.
But in my opinion, there is a better ventilation system available that pulls vast quantities of air from an attic space no matter from which direction the air blows. I am talking about the traditional wind turbine vents. Some people call these type of ventilation as a whirlybird vents. They are round metal ventilators that have fins in them and stick up from the roof surface perhaps 19 - 21 inches. The fins are located in a dome-shaped housing that spins each time the wind blows across it. As faster the wind speed, the faster the turbine will rotates.
As we have seen that the turbine vents have been used from many years in the residential, commercial, agricultural and industrial buildings. The vents are very affordable, easy to install, and they pump vast amounts of air from attic spaces, and give you cool and healthy environment that is good for your health and buildings.
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