Kingspan AIR-CELL Insulbreak® - R-Values
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AIR-CELL Insulbreak®

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 If your construction is different from those specified, and/or to gain a comprehensive R Value calculation and technical information of your project, please consult the Kingspan Insulation Technical Service Department for assistance. Call 1300 247 235 and press "2" to speak with Technical Services,email technical@kingspaninsulation.com.au, or use the Online Contact Form.
Assumption and Key
The R-values shown are Total R-values for the building element as required by the Energy Provisions of the Building Code of Australia. Kingspan AIR-CELL® products are manufactured, tested and packaged in conformance with AS/NZS 4859.1.

The contribution of the product Total R-values depends on installation and environmental conditions. The R-value will be reduced in the event of the accumulation of dust on the upward facing surfaces and in those cavities that are ventilated.
Residential Metal Roof - Flat Ceiling

 

 

Ventilation

Heat Flow In (Summer)

Heat Flow Out (Winter)

AIR-CELL Insulbreak 65®

Ventilated

RT2.7

RT1.3

Non-ventilated

RT2.4

RT1.5

Roof pitch: 22 degrees

Residential Metal Roof - Raked Ceiling

 
 

Heat Flow In
(Summer)

Heat Flow Out
(Winter)

AIR-CELL
Insulbreak 65®

RT2.7

RT1.5


Roof pitch: 22 degrees
Warehouse Metal Deck Roof

 
 

Heat Flow In
(Summer)

Heat Flow Out
(Winter)

AIR-CELL
Insulbreak 65®

RT2.0

RT0.9


Roof pitch: 5 degrees
Commercial Office Metal Deck Roof

 
 

Heat Flow In
(Summer)

Heat Flow Out
(Winter)

AIR-CELL
Insulbreak 65®

RT3.2

RT1.4


Roof pitch: 5 degrees. Where a suspended ceiling is present the air space above the suspended ceiling has been assumed to be 100 mm – 1200 mm deep. For larger ceiling space the heat flow in R-Value should be reduced by approximately R0.5.
Commercial Office Metal Deck Roof - Double Insulation Layer
Over the purlins:



 

Heat Flow In (Summer)

Heat Flow Out (Winter)

Suspended Ceiling

RT5.7

RT2.2

No Suspended Ceiling

RT4.3

RT1.7


Where a suspended ceiling is present the air space above the suspended ceiling has been assumed to be 100 mm – 1200 mm deep. For larger ceiling space the heat flow in R value should be reduced by approximately R0.5.


Between the purlins:



 

Heat Flow In (Summer)

Heat Flow Out (Winter)

Suspended Ceiling

RT5.5

RT2.3

No Suspended Ceiling

RT4.1

RT1.7


Where a suspended ceiling is present the air space above the suspended ceiling has been assumed to be 100 mm – 1200 mm deep. For larger ceiling space the heat flow in R value should be reduced by approximately R0.5.

Steel-framed Wall

 
 

Heat Flow In
(Summer)

Heat Flow Out
(Winter)

AIR-CELL
Insulbreak 65®

RT1.6

RT1.8

AIR-CELL
Insulbreak 80®

RT1.7

RT1.9



 
Combination System Kingspan Kooltherm® K18 Insulated Plasterboard + Kingspan AIR-CELL Insulbreak® 65
 
Kooltherm® K18 Thickness (inc. Plasterboard)

Heat Flow In
(Summer)

Heat Flow Out
(Winter)

35mm

RT2.9

RT3.1

40mm

RT3.2

RT3.4

50mm RT3.7 RT3.9
60mm RT4.3 RT4.5
70mm RT4.8 RT5.0
80mm RT5.3 RT5.5
90mm RT5.8 RT6.0
Warehouse Metal Clad Wall

 
 

Heat Flow In
(Summer)

Heat Flow Out
(Winter)

AIR-CELL
Insulbreak 65®

RT1.1

RT1.2

Contact Us

Kingspan Insulation Australia

266 Beringarra Avenue
Malaga WA 6090

PO Box 2324
Malaga WA 6944

Tel: 1300 247 235
Fax: 1300 247 329
info@kingspaninsulation.com.au
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