James Hardie 305791 HardieFire Insulation 420 x 1160 x 85mm R2.5 Pack of 5

James Hardie HardieFire Insulation 420 x 1160 x 85mm (product code 305791) is a mineral wool fire protection insulation designed for use in James Hardie HardieSmart Fire and Acoustic Wall Systems. Each pack contains 5 pieces, sized to suit 450mm stud centres. With an R2.5 thermal rating at 85mm thick, HardieFire insulation also contributes to the thermal and acoustic performance of the wall system. It is hardwearing, yet lightweight and easy to work with on site.

Key Features

• Mineral wool fire protection insulation designed specifically for HardieSmart wall systems
• R2.5 thermal rating at 85mm thickness
• Adds thermal and acoustic performance to the wall system
• Sized to suit typical 450mm stud spacing
• Minimum density of 80 kg/m³
• Lightweight and easy to cut and install

Specifications

Product code	305791
Size (width x length x thickness)	420 x 1160 x 85mm
R value	R2.5
Pieces per pack	5
Stud spacing	450mm
Effective cover per piece	0.49 m²
Weight per piece	17.5kg
Weight per pack	87.5kg
Minimum density	80 kg/m³
Thermal conductivity	0.0345 W/m.K

Suitable For

HardieSmart Fire and Acoustic Wall Systems, including Blade Wall, Aged Care, Boundary, Intertenancy and ZeroLot systems. Always confirm the correct insulation size and thickness for your chosen system in the James Hardie technical documentation.

Important Information

HardieFire insulation is not designed for prolonged direct exposure to the weather. Make sure it is completely dry before installation. Wear suitable protective equipment, including safety goggles, when handling and installing, and refer to the safety data sheet for full details.