There is nothing like the Smoothline® ventilator for the smoothlines of a colorbond roof.
You have made a good choice in choosing colorbond corrugated roofing for your home, you also have a truly amazing looking finished product that will last for many many decades.
So why go and take away the beauty of the smooth up market look that is colorbond by transforming the beautiful smoothlines of your colorbond roof into a factory look alike. By installing ugly protusions such as whirlybirds and factory style ridge vents these type of ventilators not only look ugly, they are also vulnerable to extreme weather conditions and it is extremely controversial whether they even work at all.
So if you are looking to keep the smoothlines and integrity of the look of your colorbond roof you need not look any further than the Smoothline® Ventilator designed to keep your roof looking good and work exceptionally well to cool your home in summer and dry out your roofspace from condensation and/or humidity moisture all year round, aerodynamically designed to keep your home safe from mother nature whatever she throws at them.