GreenStuf® Thermal Underfloor Blanket
Thermal insulation blanket that reduces heat loss through floors
GreenStuf Thermal Underfloor Insulation Blanket is designed to insulate residential and commercial spaces with exposed joist floors in new and existing homes.
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Product Specifications 
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Copy Table| R-Value | Thickness | Width | Form | Nominal GSM | Nominal Density (kg/m3) | Thermal Conductivity (W/mK) |
R1.5 |
100mm | 450 - 650 mm | Roll | 750 | 7.5 | 0.063 |
| R1.8 | 100mm | 450 - 650 mm | Roll | 1025 | 10.3 | 0.054 |
| R2.6 | 140mm | 450 - 650 mm | Roll | 1650 | 11.8 | 0.051 |
| R2.9 | 140mm | 450 - 650 mm | Roll | 1850 | 13.2 | 0.048 |
- No need to cut or trim to fit, simply staple into place between the joists.
- Available in a wide range of pre-cut rolls to fit standard exposed timber joist floors.
- Reduces heat loss through floors and drafts caused by gaps in the floorboards.
- Thermally bonded without harmful chemicals
- Safe and easy to install without
- PPE Made locally in New Zealand
Install Instructions
Data Sheets
Warranties & Manufacturers Guarantee
01 / Specifications
Product Specifications Download TableCopy Table
| R-Value | Thickness | Width | Form | Nominal GSM | Nominal Density (kg/m3) | Thermal Conductivity (W/mK) |
R1.5 |
100mm | 450 - 650 mm | Roll | 750 | 7.5 | 0.063 |
| R1.8 | 100mm | 450 - 650 mm | Roll | 1025 | 10.3 | 0.054 |
| R2.6 | 140mm | 450 - 650 mm | Roll | 1650 | 11.8 | 0.051 |
| R2.9 | 140mm | 450 - 650 mm | Roll | 1850 | 13.2 | 0.048 |
02 / Features
- No need to cut or trim to fit, simply staple into place between the joists.
- Available in a wide range of pre-cut rolls to fit standard exposed timber joist floors.
- Reduces heat loss through floors and drafts caused by gaps in the floorboards.
- Thermally bonded without harmful chemicals
- Safe and easy to install without
- PPE Made locally in New Zealand
