Kooltherm K18 Insulated Plasterboard

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Kooltherm K18 Insulated Plasterboard Product Wedge

Insulated Dry-lining Plasterboard for Mechanical Fixing

Kingspan Kooltherm K18 Insulated Plasterboard is a super high performance, fibre-free rigid thermoset phenolic insulation, sandwiched between a front facing of tapered edge gypsum based plasterboard, and a reverse facing of low emissivity foil autohesively bonded to the insulation core during manufacture.

  • Made in Australia
  • 3-in-1 insulation, dry-lining and vapour control
  • Clear cavity is maintained - resists moisture penetration
  • CodeMark-certified for BCA compliance
  • Group 1 BCA fire classification

Product Information

Thermal Conductivity (λ-Value) 0.021 W/m·K (Insulant Thickness 25 - 44 mm)
0.020 W/m·K (Insulant Thickness ≥ 45 mm)
0.17 W/m·K (Plasterboard Thickness 10 mm) 
Product Dimensions 2400 mm x 1200 mm (2.88 m2)
Other dimension available upon enquiry. Minimum order quantities apply.
Product Thickness 35, 40, 50, 60, 70, 80, 90 mm
Other thicknesses available upon enquiry. Minimum order quantities apply.
Plasterboard Thickness 10 mm

Alternative lining boards, such as fibre cement sheets, can also be bonded to the insulation core to create customised finishes and facings in our Kingspan Kooltherm K18+ Insulated Lining Board range. Please contact us for more information.

Technical Service

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 Kooltherm 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.

Product R-values

View Product R-values

Residential Tiled Roof - Raked Ceiling

View System R-value

Residential Metal Roof - Raked Ceiling

View System R-value

Brick Veneer Wall

View System R-value

Steel-Framed Wall

View System R-value

Timber-Framed Wall

View System R-value

Register your specification - Optional

By registering your specification with us, our dedicated area manager will be able to get in touch and provide any further assistance that you might require.
Register Your Specification 


Specification Clause

The wall dry-lining insulation shall be CodeMark-certified Kingspan Kooltherm K18 Insulated Plasterboard _____ mm thick, with a tested smoke obscuration of not more than 100 m2/kg, comprising a CFC/HCFC–free and zero Ozone Depletion Potential (ODP) rigid thermoset phenolic insulation core with 10 mm plasterboard facing bonded to its front surface and a composite foil facing on its reverse surface, manufactured* under a management system certified to BS / I.S. EN ISO 9001:2008, BS / I.S. EN ISO 14001:2004 and BS / I.S. OHSAS 18001:2007 by Kingspan Insulation  Pty Ltd and shall be installed in accordance with the instructions issued by them. A Project Specific Warranty provided by Kingspan Insulation must be submitted.

* Applies only to the Kingspan Kooltherm K10 insulation board used in the manufacture of this composite insulated plasterboard product.

Specify with:  NatSpec logo

Kooltherm K18 Insulated Plasterboard Model Specification

You can also download the comprehensive model specification here.

Handling & Storage

View Instructions

Cutting and Taping

View Instructions

Dry Wall Plasterboard

View Installation Instructions

Mechanical Fixing to Timber Joists or Rafters

View Installation Instructions

Mechanical Fixing to Vertical Timber Framing / Battens

View Installation Instructions

Mechanical Fixing to Metal Furring Systems

View Installation Instructions

PDF Format

CAD PDF - Residential Tiled Roof Raked Ceiling_Kooltherm

CAD PDF - Residential Tiled Roof Exposed Beam_Kooltherm

CAD PDF - Brick Veneer Wall_Kooltherm K18

CAD PDF - Brick Veneer Wall_AIR-CELL_Kooltherm K18 Combination

CAD PDF - Steel Framed Wall_Kooltherm K18

CAD PDF - Steel Framed Wall_AIR-CELL_Kooltherm K18 Combination

CAD PDF - Timber Framed Wall_Kooltherm K18

DWG Format

CAD DWG - Residential Tiled Roof Raked Ceiling_Kooltherm

CAD DWG - Residential Tiled Roof Exposed Beam_Kooltherm

CAD DWG - Brick Veneer Wall_Kooltherm K18

CAD DWG - Brick Veneer Wall_AIR-CELL_Kooltherm K18 Combination

CAD DWG - Steel Framed Wall_Kooltherm K18

CAD DWG - Steel Framed Wall_AIR-CELL_Kooltherm K18 Combination

CAD DWG - Timber Framed Wall_Kooltherm K18

Management Standards

Standard Management System
ISO 9001:2015 Quality Management
ISO 14001:2015 Environmental Management
OHSAS 18001:2007 Health and Safety Management
ISO 50001:2011 Energy Management

Applies only to the Kingspan Kooltherm K10 insulation board used in the manufacture of this composite insulated plasterboard product.


Product Testing

Characteristic Standard Result
 Compressive Strength  BS / I.S. EN 826:1996 Typically exceeds 100 kPa at 10% compression
Water Vapour Resistance BS EN 12086:1997 / I.S. EN 12086:1998 > 100 MN·s/g

For the purpose of calculation of condensation risk, the resistivity of the plasterboard component of the product should be taken as 50MN·s/g·m.


Fire Performance

Test Test Method Result
Ignitability
Flame Spread
Heat Release
Smoke Release
AS 1530.3  0/0/0/0-1*
Group Classification AS ISO 9705 Group 1**
Fire Propagation
Surface Spread of Flame
BS 476 Part 6
BS 476 Part 7
Class 0***
 (in accordance with the Building Regulations in England, Wales and Northern Ireland)

* Applies only to the Kingspan Kooltherm K10 insulation board used in the manufacture of this composite insulated plasterboard product.
** Applies to compliant plasterboard facing.
*** Applies only to the Kingspan Kooltherm insulation core.


Environmental Data Table

Aspect Characteristic
Recyclability Non-contaminated insulation site waste is recyclable, but there are currently no facilities in Australia to process returned material
Re-usability Re-usable if removed with care (long term of service expected)
Water Use No water used in Kingspan Insulation's manufacturing process
Blowing Agent Global Warming Potential (GWP) Manufactured with a blowing agent that has low GWP
Blowing Agent Ozone Depletion Potential (ODP) Manufactured with a CFC/HCFC-free blowing agent that has zero ODP
Packaging Contains 0% recycled product
Polythene wrap and EPS skids 100% recyclable

Latest Case Studies

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Kingspan Insulation Australia

Kingspan Insulation operates Australia wide. Contact us to find your local State Representative. For any enquiries, call 1300 247 235 or send an email to info@kingspaninsulation.com.au.

Head Office

266 Beringarra Avenue, Malaga

Western Australia

6090

Call: 1300 247 235

Fax: 1300 247 329

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