CNZ Insulation Board: High Performance PIR Insulation Made in New Zealand

Why PIR?

PIR Insulation has exceptional thermal efficiency, significantly less space is required to attain the desired R value, when compared to alternative products. PIR insulation also provides other advantages such as its moisture resistance, environmental benefits, self-extinguishing properties, and its dimensional stability. In short PIR insulation is a premium product, the perfect choice of insulation for many applications.

Why CNZ Insulation?

CNZ Insulation is the best choice for your PIR Insulation needs. With a modern manufacturing process, CNZ can cut boards to suit. Whether you are after a non-standard size, or you are wanting a different shaped profile, come to CNZ for greater flexibility in design. From a 1.2m x 6m insulation board with a glass fabric surface, to a facing free surface cut to the profile of the roof, CNZ can provide the solution for your next building project. Additionally, CNZ are one of the only manufacturers of PIR Insulation in New Zealand. This means you would not only be shopping local, and supporting NZ’s economy, but also reducing the cost and emissions from PIR sourced further afield.

Regulations

CNZ stock three surface types with thicknesses ranging from 40mm R1.87 to 150mm R7.01. Therefore, they have a solution to meet or exceed the H1 regulations in all zones. None of their standard products fall below the H1 lowest required R rating in any zone.

Suitability and ease of install

CNZ have a range of products to suit floor, wall, roof, slab edge and ceiling applications. Whether new or old, and regardless of the surrounding building surfaces, PIR is easy to install with appropriate adhesives or mechanical fixings and is a secure solution that will stand the test of time.

Check out the CNZ Insulation website for more information

CNZ PIR Insulation Board

CNZ Insulation

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Polyisocyanurate (PIR) is a closed-cell, rigid foam board insulation.

Green Tag Certified

Pre-Consumer Recycled Content

NZ Made

NZ-Owned Business

CNZ PIR Insulation Board is versatile and can be used internally or externally as the insulation product for walls, ceilings, skillion roofs, underfloor, slab edge, insulated precast concrete, exterior insulation finish systems (EIFS), warm roofs, soffits, and anything else that requires thermal performance. It is suitable for use in new buildings, extensions, and renovations, delivering the highest thermal performance with some of the thinnest possible solutions.

The PIR core has a closed cell structure, making it highly resistant to water absorption, and suitable for use in damp environments. The Aluminium Foil Board has a higher vapour resistance due to its foil facing.

CNZ Insulation offer custom profile cut board for a range of applications such as slab edge, tapered board, roof corrugations, pipes, and amenity insulation. Additionally, they can laminate alternate custom surfaces to their board such as plasterboard or plywood. This can speed up the installation on site as well as servicing unique project requirements.

CNZ PIR Insulation Board is primarily used for thermal insulation and will greatly contribute to attaining H1 compliance, as it can be used within a cavity, in a ceiling, between rafters and floor joists, underfloor, as well as on the external envelope. Using CNZ PIR Insulation Board will also assist in increasing the R-values of floor slab insulation. The high R-values provided by CNZ PIR Insulation Board will allow building methods to remain the same without resorting to thicker wall assemblies to achieve compliance to the new H1 regulations.

CNZ PIR Insulation Board has excellent fire protection properties meeting Group 2 and Group 3 ratings. Additionally, it is tested to AS1366.2 and the closed cell structure PIR offers provides an extremely low moisture transmission rate of 10-15 g/m² — 24hr.

AS/NZS 4859.1 — Thermal conductivity tested using ASTM C518 test method.
AS 1366.2 — Rigid cellular plastics sheets for thermal insulation — Rigid cellular polyisocyanurate (RC/PIR).
AS 2498.3 — Methods of testing rigid cellular plastics Determination of compressive stress.
B2/AS1 — Durability, performance clauses B2.3.1(a) and B2.3.1(b).
C/AS1 — AS2 protection from fire.
E2/AS1 — External moisture.
E3/AS1 — Internal moisture, performance clause E3.3.1
F2/AS1 — Hazardous building materials.
H1/AS1 or VM1 — Energy efficiency for all housing & buildings up to 300m².
H1/AS2 or VM2 — Energy efficiency for all housing & buildings greater than 300m².
NZS 4246 — Energy efficiency: Installing bulk thermal insulation in residential building.

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