Kooltherm K15 Rainscreen Board

Kooltherm K15 Product Wedge

Insulation for Use Behind Rainscreen Cladding Systems

Kingspan Kooltherm K15 Rainscreen Board is a super high performance, fibre-free rigid thermoset phenolic insulation, sandwiched between two layers of highly reflective aluminium foil autohesively bonded to the insulation core during manufacture.
  • Suitable for use in rainscreen cladding systems 
  • Ideal for new build and refurbishment 
  • No CFC or HCFC used in manufacture
  • Compliant with AS/NZS 4859.1

Product Information

Product Data table
Specification Guide
Installation Instructions
Testing and Data Table
Thermal Conductivity (λ-Value) 0.021 W/m·K (Insulant Thickness 25 - 44 mm)
0.020 W/m·K (Insulant Thickness ≥ 45 mm)
Emittance (Foil face) E0.14
Product Dimensions 2270 mm x 1200 mm (2.72 m2)
Product Thickness 40, 50, 60, 70 mm
Other thicknesses available upon enquiry. Minimum order quantities apply

Assumptions & Key

The R-values shown are Total R-values for the building element and are calculated in accordance with AS/NZS 4859.1 and NZS 4214. 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.

Product R-values

 Product Thickness  Product R-value
 40 mm  R1.9
 50 mm  R2.5
 60 mm  R3.0
 70 mm  R3.5

System R-values

Click on the specific application types below to view their System R-values

Insulated Rainscreen Cladding Systems On Concrete Wall

View System R-value

Insulated Rainscreen Cladding Systems On Steel Framed Wall

View System R-value
The wall insulation shall be Kingspan Kooltherm K15 Rainscreen Board ___ 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 composite foil facings on both sides 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 Limited and shall be installed in accordance with the instructions issued by them.

A Project Specific Warranty provided by Kinspan Insulation must be submitted.

Handling & Storage

View Instructions

Cutting and Taping

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Rainscreen Cladding Systems

View Instructions

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 

Product Testing

Characteristic Standard Result
Compressive Stress AS 2498.3 Typically exceeds 100 kPa at 10% compression
Water Vapour Resistance BS EN 12086:1997 / I.S. EN 12086:1998 > 100 MN·s/g

Fire Performance

Test Test Method Result
Flame Spread
Heat Release
Smoke Release
AS 1530.3  Spread of Flame Index: 0
Smoke Development: ≤ 3
Flame Propagation (AS 1366) AS 2122.1 Complies

Environmental Data Table

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

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Kingspan Insulation New Zealand

We're ready to help. For any enquiries, call 0800 1 23 23 1 or send an email to info@kingspaninsulation.co.nz.

666 Great South Road

Level 3, Building 10,

New Zealand

Ellerslie, Auckland

0800 1 23 23 1