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Foilboard Insulation FAQs
Foilboard Insulation FAQs

What is the difference between the total R Value and an added R Value?

Total R value is the total of each and every element that makes up the construction of a building, and includes wall/ceiling/underfloor applications such as brick, plaster, internal air, cement sheeting and so on.

Added R value is what the Foilboard® Insulation Panel combined with the adjacent still reflective airspaces adds to a particular system. The actual amount of airspace adjacent to the material will have a profound impact on the R value – the larger the space, the higher the R value. If the airspaces are ventilated or classified as open the R values will not be very high at all.

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What makes an airspace classed as ventilated and what bearing does that have on the R Values of Foilboard®?

A ventilated airspace is an airspace adjacent to the reflective face of the material that is exposed to either the outdoor elements or man made ventilation such as air conditioning. It has a huge impact on an insulation panel's ability to reflect radiant heat.

It is important to note that all Reflective Foil Laminate products including the Foilboard® Insulation Panel are reliant on these still/unventilated/enclosed airspaces. Without these the system is not as effective.

For further information please contact the technical department at Foilboard Australia Pty Ltd.

Is the Foilboard® Insulation Panel environmentally friendly?

Yes! There are no Volatile Organic Compounds (VOC's), nor are any CFC's used in the manufacture of the Expanded Polystyrene (EPS). The pure aluminium that is directly laminated to both sides of the Foilboard® Insulation Panel is also 100% recyclable.

Designed with sustainability in mind the Foilboard® Insulation Panel will last the life of the building. It is one of very few products on the market that creates a true thermal break, meaning the long term benefits of the Foilboard® Insulation Panel far outweigh any other insulation material. The material's ability to create a more consistent ambient temperature means you are not reliant on inefficient artificial heating and cooling. This reduces energy use and the production of greenhouse gases creating a more sustainable future for all.

How does the Foilboard® Insulation Panel compare to traditional wrap and batts?

Whatever your insulation requirements, the Foilboard® Insulation Panel eliminates the need for the supply and installation of two separate products at different stages of construction. It also speeds up the construction process by getting you up to lock up stage much sooner.

The most important benefit of the Foilboard® Insulation Panel is that it provides a true thermal break around a building while providing equivalent and beyond R Values in comparison to labour intensive batts and wrap.

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Can I install it?

Yes you can, provided you adhere to specific installation instructions or advice from Foilboard Australia Pty Ltd. If you have an alternative application, please contact the technical department.

Will the Foilboard® Insulation Panel ever delaminate?

Foilboard® Insulation Panel has been tested for both wet and dry delamination with excellent results. Please refer to the technical information section for further clarification.

How reflective is the Foilboard® Insulation Panel compared to other products on the market?

All types of reflective insulation have different reflective qualities, and these are expressed as a level of emissivity (a product's ability to reflect radiant heat). The lower the emissivity values the higher the ability to reflect radiant heat. Most reflective insulation on the market reflects between 85-95% of all radiant heat.

It is important to know that the anti glare side of the Foilboard® Insulation Panel has been tested to be as effective in terms of reflective qualities as the pure aluminium surface. Because of this, the Foilboard® Insulation Panel is incredibly effective in creating high thermal ratings.

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What impact does an enclosed airspace have on reflective insulation?

All reflective insulation is heavily reliant on the airspaces adjacent to the material to be either still/enclosed/unventilated. If this airspace is open and ventilated it does not provide a thermal break in conjunction with the reflective insulation panel. Open or ventilated air spaces adjacent to insulation panels will reduce the system's overall R value.

Can the Foilboard® Insulation Panel be cut easily?

Yes. Simply use a snap blade/Stanley knife or similar and preferably cut in a horizontal position as it will promote an easy clean cut. Make sure you use a straight edge to ensure accurate measurements.

Can the Foilboard® Insulation Panel be installed in conjunction with bulk insulation?

Yes. Although the Foilboard® Insulation Panel is designed to replace the need for bulk insulation altogether, you can combine the two if your design and energy rating requirements call for it. It is important to note that the R value of the system will vary as a result. For technical advice contact Foilboard Australia Pty Ltd.

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What is the thickness/size of the sheets?

The Foilboard® Insulation Panel is available in 4 different thicknesses depending on your application. Please refer to systems for further information. Sheet size is 2440mm x 1200mm however a 2700mm x 1200mm is also available in the Standard 10mm and Super 15mm in Victoria only. Sheet sizes can vary (less than 1%).

Why do I need to tape the joins?

Taping of all joins is recommended as it guarantees a perfect seal between the sheets. It is this seal that will eliminate any thermal leakage that can result in a reduction in R Value. It is important to use the Green UV PVC tape recommended by Foilboard Australia Pty Ltd as it maintains adhesion to the aluminium surface and will not break down when exposed to UV light for extended periods.

When installed in walls, does it matter whether the Foilboard® Insulation Panel is installed horizontally or vertically?

We recommend that the individual panels are installed horizontally as it creates more fixing points. This will strengthen the sheet in the event that the external cladding or brickwork is delayed, ensuring the panels will remain fixed to the building frame even in the most extreme weather conditions.

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