They manufacturers have added aluminum foil to woven cloth or kraft paper and strengthened it with fiberglass making it an excellent material to protect against the elements.
Sisalation paper roof.
Sisalation is actually the brand name for a special type of sarking material.
Energy efficient sisalation is a high quality reflective foil insulation product that cost effectively insulates and protects residential commercial and industrial buildings against heat cold dust and moisture as well as reducing air movement in the roof space.
Sisalation roof sarking is the product of choice in metal roof applications as the foil paper composition reduces the level of noise generated in metal roofs thereby improving the acoustic ambience of the home.
Acts as an effective secondary skin to your home or building to minimise draughts thereby allowing bulk wall insulation to perform more effectively.
Sisalation 405 is a light grammage durable double sided reflective foil laminate incorporating layers of aluminium foil high strength kraft paper and reinforcing scrim bonded together with a binder.
The r value will be based on the cavity space allowed between the roof sheets and the foil.
Sisalation is fitted under the roof as a form of waterproofing and insulation.
When sealed protects the building frame by minimising the amount of rain and dust wind blows into the roof.
Sisalation is a foil faced roll.
Some types of sisalation products are also flame retardant.
Fletcher insulation offers a wide range of roofing sisalation building membranes that incorporate reflective surfaces and provide indoor climate control for your roofs.
In fact sisalation foils and radenshield can be given a down r value if installed according to special conditions.