Installing a roof ventilator whirly bird installing a twista whirlybird is best done by a trained professional ensuring that a weatherproof seal is restored to the roof and that the twista is operating at it s best.
How to install a whirlybird on tin roof.
For example if the length of the roof is 21 meters and you want to install 2 whirlybirds you could measure 7 meters to the centre of the first whirlybird then 7 meters from there to the centre of the second whirlybird leaving a final 7 meters to the other end of the roof.
This video demonstrates the installation of a whirlybird roof ventilator on a trimdek metal roof.
If you are installing more than one whirlybird you must install them an even distance along the roof to ensure maximum performance.
Use silicone to prevent leaks note can also install underneath the whirlybird base for extra leak prevention 10.
If you re a qualified tradesperson you may like to follow these for whirly bird vent installation also.
Level the whirlybird and place teks to ensure it does not move.
Installing some type of ventilation mechanism on a metal roof is not a lot different from the addition of vents to any type of roof.
Place the whirlybird tube onto the base 11.
Install the top whirlybird.
Cut and bend the whirlybird base in accordance to the sheeting profile.
Step 3 cut the hole.
Step 2 mark the position.
The hole needs to be cut carefully with an angle grinder or.
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.
A step by step guide to installing an csr edmonds supavent on the metal roof of your home.