Kooltherm K5 External Wall Board

Kooltherm K5 External Wallboard Product Wedge

Insulation for Use Behind Polymer Modified Renders

Kingspan Kooltherm K5 External Wall Board is a high performance, fibre-free rigid thermoset phenolic insulation core, sandwiched between two layers of tissue based facing autohesively bonded to the insulation core during manufacture.

Kingspan Kooltherm K5 External Wall Board is manufactured without the use of CFCs/HCFCs and has zero Ozone Depleting Potential (ODP) and low Global Warming Potential (GWP).

  • Made in Australia
  • Fibre-free core
  • AS/NZS 4859.1:2018 compliant
NCC 2019 compliant brochures and AU made

Product Information

Product Data Table
Specification Guide
Installation Instructions
Testing and Data Table
Product Data  
Declared Thermal Conductivity (λ-Value) 0.022 W/m.K at 23oC (Insulant Thickness ≥ 45 mm)
Product Dimensions 2400 mm x 1200 mm (2.88 m2)
Nominal Product Thickness 50, 80 mm 

Assumption and Key

NCC 2019 prescribes different methods to determine Total R-value Calculations for Volume 1 and Volume 2.

The R-values shown are Total R-values for the building element as required by the Energy Provisions of the National Construction Code, calculated in accordance with AS/NZS 4859.2 2018 & NZS 4214.

Kingspan Kooltherm® products are manufactured, tested and packaged in conformance with AS/NZS 4859.1:2018.

Examples shown are suitable for NCC Class 1 & 10a housing and Fire-Resisting Construction Type C walls in NCC Class 2 – 9 buildings.
For Fire-Resisting Construction Type A & B walls in NCC Class 2 – 9 buildings a Performance Solution is required.
Please contact Kingspan Insulation Technical Services on 1300 247 235 or email technical@kingspaninsulation.com.au for further guidance.

Concrete Wall (150mm)

View System R-value

Masonry Block Wall (140mm)

View System R-value

Steel Framed Wall

View System R-value

Timber Framed Wall

View System R-value

Handling & Storage

View Instructions

Installation Instructions

View Installation Instructions

CAD PDF - Concrete Wall_Kooltherm K5

CAD DWG - Concrete Wall_Kooltherm K5

CAD PDF - Masonry Block Wall_Kooltherm K5

CAD DWG - Masonry Block Wall_Kooltherm K5

CAD PDF - Timber Framed Wall_Kooltherm K5

CAD DWG - Timber Framed Wall_Kooltherm K5

BIM 2016 - Kooltherm K5 Wall Board

BIM 2017 - Kooltherm K5 Wall Board

BIM 2018 - Kooltherm K5 Wall Board

BIM 2019 - Kooltherm K5 Wall Board

Testing & Data Table

Management Standards

Standard Management System
ISO 9001:2015 Quality Management
ISO 14001:2015 Environmental Management
ISO 45001:2018 Health and Safety Management
ISO 50001:2011 Energy Management

Product Testing
Characteristic Standard Result
Compressive Stress AS 2498.3 Typically exceeds 120 kPa at 10% compression
Water Vapour Resistance BS EN 12086:1997 / I.S. EN 12086:1998 > 35 MN·s/g

Fire Performance
Test Test Method Result
Flame Spread
Heat Release
Smoke Release
AS 1530.3  Spread of Flame
Index: 0
Development ≤ 3

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

Do you need help and advice on your project?

Our teams are dedicated to helping you make process as easy as possible and ensure you get the right materials for your needs.

Contact Us

Contact Us

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

25 Oherns Road,

Somerton, VIC


Call: 1300 247 235

Fax: 1300 247 329