AIR-CELL Permishield XV 70
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AIR-CELL Permishield XV 70 is an Australian made closed cell foam wall insulation and sarking, and unusually for a foil product it is vapour permeable. CodeMark certified for NCC compliance.
Reflective and breathable
Most foil faced products are vapour barriers. This one is Class 3 vapour permeable at 0.300 µg/N·s, while still being a water barrier to AS/NZS 4201.4. That combination is the reason to specify it: the wall gets a reflective surface and keeps the ability to dry outward, instead of trading one for the other.
System figures
Material R-value is R0.20. In a reverse brick veneer wall Kingspan quotes RT 1.9 for heat flowing in and RT 1.8 for heat flowing out. Reflectance is 97% on the reflective face and 88% on the anti-glare face.
Roll and handling
1350 mm x 22.25 m covering 30 m² at 7.2 mm, weighing 9.15 kg. Burst strength 0.9 kN, maximum span 2.4 m, flammability index 5 or lower. Fibre-free, non-allergenic, non-irritant, anti-bacterial and anti-fungal, and rodent and insect resistant.
Full figures are in the table below.
Technical data
Kingspan product data sheet (PDF)Sizes stocked
| Roll size | Area | Nominal thickness | Roll weight | Roll diameter |
|---|---|---|---|---|
| 1350 mm x 22.25 m | 30 m² | 7.2 mm | 9.15 kg | 450 mm |
Thermal
| Material R-value | R0.20 m²K/W at 23 °C (ASTM C518-2017) |
|---|---|
| Reflectance, reflective face | 97% |
| Reflectance, anti-glare face | 88% |
| Emittance | 0.03 reflective face, 0.12 anti-glare face, category RS |
R0.20 is the figure the NCC asks for as a thermal break on steel framing, which is why this one carries a 7.2 mm core rather than a thinner one.
Total system R-value
| Reverse brick veneer wall, heat flow in | RT 1.9 |
|---|---|
| Reverse brick veneer wall, heat flow out | RT 1.8 |
Total R-value for the building element as the NCC energy provisions require it, calculated to AS/NZS 4859.2:2018.
Moisture and air control
| Vapour control | Class 3 vapour permeable, 0.300 µg/N·s (ASTM E96 Part B) |
|---|---|
| Water control | Water barrier (AS/NZS 4201.4) |
| Surface water absorbency | High, 100 g/m² or more |
| Moisture shrinkage | Under 0.5% |
| Corrosion resistance | Pass (AS/NZS 4859.1 Appendix E) |
Three jobs in one roll: insulation, thermal break and vapour permeable sarking. Class 3 permeance lets the wall dry outwards, which is what the newer condensation provisions are aiming at.
Physical and fire
| Flammability index | 5 or lower, Low (AS 1530.2) |
|---|---|
| Burst strength | 0.9 kN (AS 3706.4 CBR) |
| Maximum span | 2.4 m |
| Dry and wet delamination | Pass (AS/NZS 4201.1 and 4201.2) |
| Other | Fibre-free, non-allergenic, non-irritant, anti-bacterial, anti-fungal, rodent and insect resistant, unaffected by moisture |
Compliance
| Certification | CodeMark certified for NCC compliance |
|---|---|
| Thermal rating | Manufactured, tested and packaged to AS/NZS 4859.1:2018 |
| Origin | Made in Australia |
Fitting notes
On a reverse brick veneer wall it goes on the 20 mm batten, rolled out horizontally and fixed, then counter battens and cladding over the top. Cut it carefully around openings so it abuts the frames neatly, butt join the sheets and tape with 48 mm reinforced foil tape. On a steel frame wall use Spacer Biscuits to hold the air gap, because the reflective face needs that gap to give you the R-value. Kingspan asks for a project specific warranty to be submitted, so ask us for one on a commercial job.
Figures are taken from the Kingspan Insulation product data sheet for AIR-CELL Permishield XV 70, Australian edition. The full manufacturer document is linked above. Kingspan can change specifications without notice, so check the current sheet before specifying on a job.
Common questions
What sizes are stocked and how much does each one cover?
It is stocked in one option, 1350 mm x 22.25 m. The table above lists the coverage or quantity you get.
What thermal performance does it have?
Material R-value: R0.20 m²K/W at 23 °C (ASTM C518-2017). Emittance: 0.03 reflective face, 0.12 anti-glare face, category RS. Thermal rating: Manufactured, tested and packaged to AS/NZS 4859.1:2018.
How does it handle moisture?
Vapour control: Class 3 vapour permeable, 0.300 µg/N·s (ASTM E96 Part B). Water control: Water barrier (AS/NZS 4201.4). Surface water absorbency: High, 100 g/m² or more. Moisture shrinkage: Under 0.5%. Dry and wet delamination: Pass (AS/NZS 4201.1 and 4201.2).
Does it meet Australian standards?
Certification: CodeMark certified for NCC compliance.
How is it installed?
On a reverse brick veneer wall it goes on the 20 mm batten, rolled out horizontally and fixed, then counter battens and cladding over the top. Cut it carefully around openings so it abuts the frames neatly, butt join the sheets and tape with 48 mm reinforced foil tape. On a steel frame wall use Spacer Biscuits to hold the air gap, because the reflective face needs that gap to give you the R-value. Kingspan asks for a project specific warranty to be submitted, so ask us for one on a commercial job.
Cannot see your question? Ask our team and we will get you an answer.
Figures are taken from the Kingspan Insulation product data sheet for AIR-CELL Permishield XV 70, Australian edition. The full manufacturer document is linked above. Kingspan can change specifications without notice, so check the current sheet before specifying on a job.