EXPOL Timber Underfloor Insulation

• EXPOL R1.4 White, EXPOL R1.8 Black, EXPOL R2.5, and EXPOL R3.1 UnderFloor are the ultimate timber underfloor insulation.
• Whilst available now, EXPOL R2.5 & EXPOL R3.1 are specifically designed to meet the Building Code changes be introduced on 1 May 2023.
• EXPOL provides EXPOL R1.4 White, EXPOL R1.8 Black, EXPOL R2.5, and EXPOL R3.1 UnderFloor Insulation, designed to fit between the joists under timber floors. It is suitable for both new and existing timber floors and has been trusted by Kiwis for more than 25 years.
• EXPOL UnderFloor Insulation is easy to install and is available in 4 convenient joist widths: 360mm, 410mm, 470mm, and 560mm. It is the DIY solution that will keep your home warm, dry, and healthy.
• EXPOL UnderFloor Insulation comes with an EXPOL 50 Year Product Warranty and requires no maintenance.
• EXPOL UnderFloor insulation is available from participating hardware stores nationwide.

EXPOL R1.4 White UnderFloor Insulation is a rigid white panel manufactured from Expanded Polystyrene material. It is 1200mm in length and manufactured in four standard widths. This proven solution for timber floor insulation has been trusted by Kiwis for over 25 years and contains recycled content. 

EXPOL R1.4 UnderFloor Insulation is appraised by BRANZ and comes with an EXPOL 50 Product Year Warranty. 

EXPOL R1.8 Black UnderFloor Insulation is graphite-infused Expanded Polystyrene supplied in the same sizes as the standard white Underfloor insulation. EXPOL BLACK is a premium product that achieves superior R values. 

DO NOT STORE IN DIRECT SUNLIGHT! 

The product could be damaged and the warranty will be void. 

EXPOL R2.5 UnderFloor Insulation is EXPOL’s New Generation Underfloor R2.5 panel consciously designed and engineered to meet the new insulation regulations that will be introduced on 01 May 2023. 

Made from Expanded Polystyrene that contains recycled content, it is 1200mm in length, 100mm thick, and manufactured in four standard widths 360, 410, 470, 560. It is the ideal solution for normal New Zealand suburban environments or rural areas that do not have extreme temperatures. EXPOL R2.5 contains recycled content and can be recycled. 

EXPOL R2.5 has an EXPOL 50-Year Product Warranty that gives you the satisfaction of knowing that you will have a warmer, drier, healthier home in winter. 

EXPOL R3.1 Black UnderFloor Insulation is the ultimate underfloor insulation. A rigid panel infused with graphite makes it up to 24% more efficient than EXPOL R2.5. 

EXPOL R3.1 is ideal for extremely cold temperatures and windy environments and can be recycled. It is manufactured from Expanded Polystyrene material, 1200mm in length, and 100mm thick in four standard widths 360, 410, 470, and 560. 

EXPOL R3.1 has an EXPOL 50-Year Product Warranty that gives you the satisfaction of knowing that you will have a warmer, drier, healthier home in winter. 

DO NOT STORE IN DIRECT SUNLIGHT!

The product could be damaged, and the warranty will be void. 

• EXPOL R1.4 White UnderFloor Insulation contains recycled content and can be recycled.
• EXPOL R1.8 Black UnderFloor Insulation can be easily recycled.
• EXPOL R2.5 UnderFloor Insulation contains recycled content and can be recycled.
• EXPOL R3.1 Black UnderFloor Insulation can be easily recycled.

Warranty Information