These Ventilators constitute a system of noiselessly passing the outside air to the roof and attic space. Increasing temperature, heats up the air which rises to the highest point of the roof and passes through the gaps in between ventilator blades naturally drawing cool outside air to replace the air that has just left, allowing efficient air-flow.
Roof ventilators can be installed with minimum interference to the existing roof structure, and can be supported by the colors and textures to match your roof.