Just like with the climate there are different.
Permeable wall and roof sarking.
This is a good type of roof sarking that reduces the risk of mould growth and structural decay.
The correct way to install a vapour permeable or vapour impermeable wrap for air tightness to properly leverage the products that are being installed.
Thermoseal reflective foil roof sarking is a non permeable vapour barrier product designed to reduce the transmission of moisture into the house.
A tough weather barrier.
Another factor to consider is what is roof sarking type to choose according to roof shape e g.
Thermoseal contributes a reflective air gap r value to the roof system when positioned to adjacent to an inward or outward facing air cavity.
Enviroseal rw is a durable and lightweight textile membrane with a soft construction designed to allow moisture to escape the inside of the home.
Enviroseal proctorwrap roof sarking is a vapour permeable product that allows water vapour to pass through it whilst preventing the entry of liquid water and dust from outside.
Enviroseal wall wrap rw is a light duty vapour permeable wall wrap designed for use in residential timber and steel frame wall construction.
Vapour permeable weather barrier.