You are using an outdated browser version not supported by this website.
Click here to upgrade your browser

GreenStuf PIR Panel

GreenStuf® PIR is a polyisocyanurate (PIR) slab insulation that comes with an embossed foil layer on both sides. Suitable for pitched and flat roofs, walls, and floors.

Key Features
  • PIR insulation delivers exceptional thermal performance
  • Suitable for pitched and flat roofs, walls, and floors
  • Designed for New Zealand’s climate and temperature ranges
  • Made locally in New Zealand
  • Independently tested & assessed achieving NZBC Fire Standards
  • Global Green Tag GreenRate Level C and HealthRATE Platinum certified
  • Can be used to contribute to Green Star, Homestar, and WELL certification
Green Tag Certified
Green Tag Certified
Homestar / Green Star (Envirospec) Compliant
Homestar / Green Star
Recyclable Content (Post-Consumer)
Post-Consumer Recyclable Content
Recycled Content (Pre-Consumer)
Pre-Consumer Recycled Content
NZ Made
NZ Made
NZ-Owned Business
NZ-Owned Business
Scope of Use
  • Application: Thermal insulation
  • Fitting: Internal walls

GreenStuf PIR Panel is designed to be installed as a rigid insulation, providing superior building thermal performance and energy efficiency. PIR Is suitable for use on the external side of framed walls for continuous insulation. And suitable for timber, steel frame, concrete and block wall constructions. GreenStuf PIR Panel is also a solution for concrete ceiling (soffit) interior lining applications. It can be directly fixed to areas where a higher thermal performance is required.

Product Description
R-Value @
Nominal Thickness (MM)
Total Area (m²)
GreenStuf PIR Panel 40mm
1200mm x 2400mm
GreenStuf PIR Panel 50mm
1200mm x 2400mm
GreenStuf PIR Panel 60mm
1200mm x 2400mm
GreenStuf PIR Panel 70mm
1200mm x 2400mm
GreenStuf PIR Panel 80mm
1200mm x 2400mm
Limitations on Use

To ensure Building Code compliance, architects and building designers are advised to consult an engineer or the relevant NZ standards before specifying thermal insulation. For information and assistance, please contact a GreenStuf account manager.

Statement of Building Code Compliance

NZBC compliance: When installed in accordance with the manufacturer's instructions, GreenStuf PIR Panel will satisfy the 50 year durability clause NZBC B2.3.1 (a). GreenStuf PIR Panel meets the relevant clauses of NZBC C3.4(a) Prevention of Fire, E3 Internal Moisture, F2 Hazardous Building Materials, and contributes to meeting H1 Energy Efficiency and G6 Acoustic Design requirements.

Fire Regulations: GreenStuf PIR Panel may not be suitable for all applications, as stipulated in the NZBC. Please consult a fire engineer when specifying GreenStuf PIR Panel or contact your GreenStuf account manager for further information.

Fire ratings: AS 1366.2 Flame propagation rating/result: Complies Tested to AS 2122.1 method as required by AS 1366.2 Report number: 23-001571

Environmental: Recycled PET is used to formulate some of the chemical used in manufacturing GreenStuf PIR Panel. A 2400mm x 1200mm sheet of GreenStuf PIR Panel contains an equivalent 82 water bottles (250mL PET). GreenStuf PIR Panel is Global GreenTag GreenRate Level C and HealthRATE Platinum certified and can be used to contribute to Green Star, Homestar, and WELL certification. Manufactured using a CFC/HCFC-free blowing agent that has a zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP).

Durability: GreenStuf PIR Panel has a 50 Year Durability Warranty

Thermal performance: GreenStuf PIR Panel has been aged and tested to EN 13165:2012+A2:2016 in accordance with AS/NZS 4859.1:2018. Declared thermal conductivity reflects predicted performance after 25 years of use.

VOC emissions: GreenStuf PIR Panel has been tested for chemical emissions in accordance with ASTM D5116 and is considered as a low VOC product. VOC emission rate: 0.047 mg/m2/hr Green Star NZ Limit: 0.500 mg/m2/hr CETEC Certificate P23020063

B2 Durability compliant
C Protection from Fire compliant
Protection from Fire
E3 Internal Moisture compliant
Internal Moisture
F2 Hazardous Building Materials compliant
Hazardous Building Materials
G6 Airborne and Impact Sound compliant
Airborne and Impact Sound
H1 Energy Efficiency compliant
Energy Efficiency
PIR Datasheet
PIR Insulation Install Instructions
Durability Warranty

GreenStuf thermal and acoustic insulation is made from 100% polyester fibre, with a focus on zero waste and recyclability, it contributes to improved air quality, and is safe to touch.

Product Enquiries

News from GreenStuf

GreenStuf Takeback Programme: A Mission to Divert Waste from Landfills
Closing the Loop on Waste in the NZ Construction Industry
An Industry First Solution to Help You Achieve H1 Compliance NEW
Get a free weekly digest of essential news

New and updated architectural products, design solutions, inspiration, technical advice and more when you sign up for EBOSS.