James Hardie Wall

Wall Insulation Solutions

Hardie™ Mineral Insulation is specifically designed to provide optimal thermal performance while contributing to the fire resistance of wall systems when used in conjunction with James Hardie's fiber cement products.

Installation Requirements

Should be fitted tightly in all framing cavities against the flexible underlay

Installation requires ensuring the flexible underlay is not pushed out of the framing plane

Must be installed 50mm bigger in each direction than the frame cavity for proper friction fit

Can be cut on site to fit smaller cavities while maintaining the oversized dimension

Simple installation without specialized tools

Compatible with typical New Zealand wall construction methods

Performance Features

Excellent thermal resistance with R-Value of 2.74m²K/W

Contributes to wall system fire resistance ratings

Tested specifically with James Hardie's fire-rated systems

Cannot be substituted in fire-rated applications

Dense composition provides both thermal and acoustic benefits

Helps achieve required construction R-values per NZBC clause H1

Maintains performance throughout its 50-year service life

Handling & Safety

Requires standard protective equipment during handling and installation

Lightweight for easier on-site handling

Cut with standard tools (straight edge and stiff blade knife)

Should be stored in original packaging in clean, dry space

Complies with WorkSafe New Zealand Health and Safety Guidelines

Safety data sheet (SDS) available through James Hardie website

Minimal dust creation when properly cut and installed

Technical Specifications

Size: 600mm x 800mm x 90mm (2.4m² per bale)

R-Value: 2.74m²K/W

Density: 80kg/m³

Serviceable life: 50 years

Warranty: 15 years

Essential component in James Hardie's fire-rated systems

Not interchangeable with other insulation products in fire-rated applications