You need to have a suitable saw blade for your reciprocating saw if you have a metal roof.
How to install a whirlybird on a metal roof.
Install the top whirlybird.
While whirlybirds are not an eye sore they do break up the lines of the roof therefore keeping them out of sight can improve the overall aesthetic of your property.
At this point take the whirlybird up to the top of the roof and place it centrally over each hole you have drilled tracing out the perimeter of the cylinder on the outside of the roof sheet.
Then remove the whirlybird and starting from the centre hole cut out the circle you have drawn.
Most homeowners prefer installing the whirlybird on the side of the roof that is out of sight.
Whirlybird installation diy guide for metal roofs if you are a handy person and want to do a whirlybird installation diy for metal roof you can avoid paying the whirlybird installation cost.
Use silicone to prevent leaks note can also install underneath the whirlybird base for extra leak prevention 10.
This video demonstrates the installation of a whirlybird roof ventilator on a trimdek metal roof.
Roof whirlybird installation might just be the answer.
In case it is a tiled roof you will have to eliminate the tiles surrounding the place that you will be cutting through.
Once you have purchased the wind turbine its time to install it on your roof.
Cut and bend the whirlybird base in accordance to the sheeting profile.