Trade Select™ Ametalin ThermalBreak 8™ is an Extra Heavy Duty three-in- one reflective insulation, thermal break and medium vapour barrier for use in all roof, wall and floor types. It meets the NCC/BCA requirements for in-situ material R-value of R0.2 for a thermal break in steel framed construction, and is also suitable for use in timber framed construction. Designed to manage heat gain and heat loss, Trade Select™ Ametalin ThermalBreak8™ offers superior thermal performance to conventional insulation, and reduces thermal bridging and conductivity between building elements.
The ThermalBreak 8™ product is the highest rated product in the TradeSelect product range, achieving impressive thermal performance coupled with acoustic benefits. It has some of the highest reflectivity values on the market while retaining effective cost savings due to the additional overlap piece, making ThermalBreak 8™ one of the premium products available.
Product Advantages
- 150 mm flap provided for increased coverage and reduced wastage.
- Made with high-density XPE foam; compression in-situ is minimised.
- Contributes a reflective R-value when installed adjacent to an air cavity.
- Highly effective in dampening noise.
- Fibre-free and non-allergenic.
- Water resistant, fire resistant.
- Rigorously tested by independent recognised accredited laboratories in compliance with AS/NZS 4859.1:2002/Amdt 1:2006 to ensure all product claims are met.
| Product Name | Trade Select™ Ametalin ThermalBreak 8™ |
| Product Thickness | 8.4mm |
| Roll Size | 1350 mm x 22.25 m + 150 mm lap (30m2 coverage) |
| Roll Weight | 17.9 kg |
Roof R Values
| Application | Description | Winter R Value | Summer R Value |
|---|---|---|---|
| Metal Roof unventilated | 22° Pitched metal roof, 190 mm raked ceiling | R⊺1.4 | R⊺3.7 |
| Metal Roof ventilated | 22° Pitched metal roof with flat ceiling | R⊺1.3 | R⊺2.8 |
| Metal Roof unventilated | 22° Pitched metal roof with flat ceiling | R⊺1.5 | R⊺2.4 |
| Tile Roof unventilated | 22° Pitched tile roof with flat ceiling | R⊺1.5 | R⊺2.4 |
| Commercial Office Roof | Suspended ceiling at 1000 mm | R⊺1.4 | R⊺4.6 |
| Warehouse Shed Roof | 5° metal roof 100 mm ceiling | R⊺1.5 | R⊺3.2 |
| Warehouse Shed Roof | 5° metal roof with no ceiling | R⊺1.0 | R⊺2.0 |
Wall R Values
| Application | Description | Winter R Value | Summer R Value |
|---|---|---|---|
| Brick Veneer | 110 mm brickwork to 90 mm studs with lining | R⊺2.2 | R⊺1.9 |
| Double Brick | 110 mm brickwork with cavity | R⊺2.3 | R⊺2.1 |
| Stud Framed | Metal cladding direct to 90 mm stud, with lining | R⊺1.3 | R⊺2.8 |
| Steel Stud Framed Wall | Metal cladding direct to 90 mm stud, no lining | R⊺1.9 | R⊺1.7 |
39 Ledgar Road Balcatta WA 6021 
(08) 9240 5488 
