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Sislation foil

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Shop Sisalation Roofing Foil

This foil is installed under metal roofs; it reflects radiant heat and provides a barrier to prevent condensation on the underside of the roof sheet on your home or building. Our foil/roof sarking is strong and easy to install, using foil fasteners or double-sided tape.

What are the measurements of the sisalation foil?

The roll length is 60 metres, and the cover is 72 square metres. The width of the sisalation roll is 1.35 metres. 

When installing the sisaltion foil, the blue side is installed facing the sky; the foil side is placed down. Manufactured in Australia, Sisalation Roofing Foil is an anti-glare reflective foil laminate recommended for use in the sarking of metal roofs. 

Purchase Roofing Foil - 60 metre roll

Cover is 72sqm per 60 metre roll

Sisalation roofing foil consists of outer layers of aluminium foil bonded to weave, bonded together with a heavy coating of flame retardant adhesive. It is installed under metal roofs, it reflects radiant heat and provides a barrier to prevent condensation on the underside of the roof sheet. Alumimium reflective foil insulation is also referred to as "roof sarking" Flame retardant Sisalation is suitable for use in buildings in bushfire prone areas. Provides an effective barrier against moisture, vapours, wind, heat, increased comfort to building and dust penetration when overlapped.

When used in conjunction with an airspace, Sisalation is an effective thermal insulation material because of the high reflectivity and low emissivity of its aluminum foil surfaces. Complies with the requirements of AS/NZS4859.1. The contribution of this product to Total R-value depends on installation and environmental conditions which include the effect of dust.

Installation Sisalation should be installed in accordance with AS/NZS4200.2:1994 for the installation requirements for "Pliable Building Membranes". External cladding should be installed without delay. Reflective foil in roofs must be installed with a sag or drape down of approximately 40mm - 75mm between the rafters or battens.  This is to allow a vapour barrier to occur between the reflective foil and the metal roof sheeting. To achieve the stated total R-Values, a mimimum air space of 40mm is required adjacent to each reflective foil face.


Condensation : How it occurs!

The underside of a roof often provides conditions under which condensation of water vapour will occur. In cooler weather, roofs can become several degrees cooler than the outside air temparature. As a result, the air in the roof space may be cooled by contact with the roof. This depression of temparature is often sufficent to cause condensation as air is cooled, it's ability to hold water vapour dimishes. The amount of condensation will depend on the amount of water vapour in the air and this varies with climatic conditions.  Flat roofs are more prone to condensation than steep or pitched roofs. Roofing foil insulation provides a heat and vapour barrier and also provides a separation membrain to reduce friction between the roof sheets and the supports, due to expansion and contraction of the roofing material.


With the modern advance in technology, material, and design, residential metal roofing is now widely used throughout the world. In Australia, we are the leading company that provides high-quality roofing materials with fast delivery along with reasonable prices.

One of the most talked-about designs is the metal architectural roofing from Trusted Australian BlueScope Steel roofing. Metal Roofing Online also supplies roofing foil, Manufactured in Australia, Sisalation Roofing Foil is a anti-glare reflective foil laminate recommended for use in th sarking of metal roofs. 

Have you been struggling to over the internet investigation residential metal roofing for your home? Look no more. Metalroofingonline.com.au has the best Sisalation material that meets all your needs. You can enjoy FAST delivery of all these metal roofing at the lowest prices from the comfort of your home. We also offer easy and secure online ordering of all roofing materials. All the products we offer, comply with the relevant Australian Standards for you your peace of mind.