This product is on 
because of
Avoiding risk of heat stress or cold-related illnesses
Good insulation for well regulated room temperatures
Energy efficient heating and cooling
Kingspan Kooltherm K10 G2 Soffit Board is a rigid thermoset phenolic insulation designed for concrete soffits. It features a fibre-free closed cell insulation core sandwiched between an upper tissue-based facing and a lower reflective aluminium foil facing.
This product is FM Approved to FM 4880 Standard, has a Group 2 NCC fire classification, and is resistant to the passage of water vapour. It is manufactured with a blowing agent that has zero ODP and low GWP, making it an environmentally friendly option.
Product highlights
- CodeMark certified for NCC compliance
- NCC and AS/NZS 4859.1:2018 compliant
- Group 2 NCC fire classification
- Fibre-free, closed cell insulation coreSilver finish
10-year warranty for both residential and commercial installations, subject to terms of the complete warranty document
Currently not available
Global warming potential(A1-A4)
6.29 kgCo2-Eq of embodied carbon per 1m2 of K10 G2 Top Facer 25 mm manufactured and distributed.
For more information for different sizes, please download the EPD from 'EPD downloads'
Currently not available
N/A
Benefits of Kooltherm
Construction Efficiency
Kooltherm insulation boards are extremely lightweight, making them easy to transport, handle and fast install.
Increasing Property Value
Kooltherm's thin profile allows you to maximise lettable space and lifetime property value.
Occupancy Wellbeing
Products with a fibre free core.
Sustainability
Kooltherm is part of our Planet Passionate sustainability initiative.
Total System R-values
Assumption and Key
NCC 2019 prescribes different methods to determine Total R-value Calculations for Volume 1 and Volume 2. The systems noted on this page are Total R-values for the building element as required by the Energy Provisions of the National Construction Code, calculated in accordance with AS/NZS 4859.2 2018 & NZS 4214. Kingspan Kooltherm® products are manufactured, tested and packaged in conformance with AS/NZS 4859.1:2018.
Concrete Roof (Soffit) - No Suspended Ceiling
Concrete thickness: 150 mm
Total R–values for various thicknesses of Kingspan Kooltherm® K10 G2 Soffit Board Applicable for NCC Volume One, Class 2 to 9 buildings & NCC Volume Two, Class 1 & 10a buildings, & NCC Volume One, Class 2 sole-occupancy unit or a Class 4 part of a building.
| Product Thickness | Heat Flow In (Summer) | Heat Flow Out (Winter) |
| 25 mm | RT2.0 | RT1.5 |
| 30 mm | RT2.2 | RT1.7 |
| 40 mm | RT2.6 | RT2.2 |
| 45 mm | RT2.9 | RT2.5 |
| 50 mm | RT3.1 | RT2.7 |
| 60 mm | RT3.6 | RT3.2 |
| 70 mm | RT4.0 | RT3.6 |
| 80 mm | RT4.5 | RT4.1 |
| 90 mm | RT4.9 | RT4.6 |
| 100 mm | RT5.3 | RT5.0 |
Roof application, suspended ceiling void greater than 300 mm
Concrete thickness: 150 mm
| Product Thickness | Heat Flow In (Summer) | Heat Flow Out (Winter) |
| 25 mm | RT2.5 | RT2.0 |
| 30 mm | RT2.7 | RT2.2 |
| 40 mm | RT3.1 | RT2.7 |
| 45 mm | RT3.4 | RT3.0 |
| 50 mm | RT3.6 | RT3.2 |
| 60 mm | RT4.1 | RT3.7 |
| 70 mm | RT4.5 | RT4.1 |
| 80 mm | RT4.9 | RT4.6 |
| 90 mm | RT5.4 | RT5.1 |
| 100 mm | RT5.8 | RT5.5 |
Concrete Floor (Soffit)
Unenclosed Sub-Floor
Concrete thickness: 150 mm
Total R–values for various thicknesses of Kingspan Kooltherm® K10 G2 Soffit Board Applicable for NCC Volume One, Class 2 to 9 buildings & NCC Volume Two, Class 1 & 10a buildings, & NCC Volume One, Class 2 sole-occupancy unit or a Class 4 part of a building.
| Product Thickness | Heat Flow In (Summer) | Heat Flow Out (Winter) |
| 25 mm | RT1.3 | RT1.4 |
| 30 mm | RT1.5 | RT1.6 |
| 40 mm | RT1.9 | RT2.1 |
| 45 mm | RT2.2 | RT2.4 |
| 50 mm | RT2.4 | RT2.6 |
| 60 mm | RT2.9 | RT3.1 |
| 70 mm | RT3.3 | RT3.6 |
| 80 mm | RT3.8 | RT4.0 |
| 90 mm | RT4.2 | RT4.5 |
| 100 mm | RT4.6 | RT5.0 |
Enclosed Sub-Floor
Concrete thickness: 150 mm
| Product Thickness | Heat Flow In (Summer) | Heat Flow Out (Winter) |
| 25 mm | RT2.0 | RT2.7 |
| 30 mm | RT2.3 | RT3.0 |
| 40 mm | RT2.7 | RT3.4 |
| 45 mm | RT3.0 | RT3.7 |
| 50 mm | RT3.2 | RT4.0 |
| 60 mm | RT3.6 | RT4.4 |
| 70 mm | RT4.1 | RT4.9 |
| 80 mm | RT4.5 | RT5.4 |
| 90 mm | RT5.0 | RT5.8 |
| 100 mm | RT5.4 | RT6.3 |
