Thermoseal contributes a reflective air gap r value to the roof system when positioned to adjacent to an inward or outward facing air cavity.
Permeable wall and roof sarking.
This is a good type of roof sarking that reduces the risk of mould growth and structural decay.
Thermoseal reflective foil roof sarking is a non permeable vapour barrier product designed to reduce the transmission of moisture into the house.
Wall wrap products enviroseal proctorwrap vapour permeable products enviroseal proctorwrap rw is a light duty triple layer spun bond vapour permeable wall wrap for use with brick timber steel fibre cement james hardietm sheeting products and hebel construction in residential and light.
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.
For this climate condition the best type to choose is a vapour permeable type.
A tough weather barrier.
Another factor to consider is what is roof sarking type to choose according to roof shape e g.
Vapour permeable weather barrier.
The correct way to install a vapour permeable or vapour impermeable wrap for air tightness to properly leverage the products that are being installed.
Enviroseal rw is a durable and lightweight textile membrane with a soft construction designed to allow moisture to escape the inside of the home.