Forget about the thickness.
Insist on the Power.
R'BULL technology is redefining the rules of insulation. An ultra-thin reflective shield designed to repel heat, trap air and free up your square metres.
Pure Aluminium
A high-precision design. Acts as an absolute mirror that reflects 95 per cent of infrared radiation. Heat no longer passes through; it bounces off.
Encapsulated Trapped Air
Still air is an excellent insulator. R’BULL is designed to trap it within airtight honeycomb bubbles, thereby limiting air movement (convection) and reducing heat transfer.
01.
The Ultimate in Summer Comfort
Under a roof reaching 70°C during a heatwave, mineral wool stores heat and releases it at night. R'BULL acts instantly as a sunshade. Your loft stays cool, even when it’s 40°C outside.
02.
A Huge Space-Saving Benefit
Why sacrifice your living space? At just 13, 10 or 5 mm thick, R'BULL outperforms traditional insulation materials in blocking infrared heat — where their thickness is no longer sufficient.
03.
Fire Safety
Classified as B-s1, d0. R'BULL is suitable for use in premises open to the public (ERP). No flaming droplets, minimal smoke emission. It protects both property and people.
04.
Zero Settling
Unlike conventional insulation materials, which sag and lose 30 per cent of their effectiveness within 10 years, R'BULL is dimensionally stable, rot-proof and guaranteed to last for many years.
Ceiling temperature
28.4°C
Cross-flow
25.7 W/m²
R'BULL Efficacy Test
With a roof tile at 70 °C, adjust the air gap and the emissivity of the aluminium. The calculation is based on EN ISO 6946 (Annex B, downward heat flux) and the product’s declared thermal resistance.
Thermal resistance of the product alone: 0.2606 m²·K/W (KTU 025 SF/26 R report). Declared emissivity 0.05, measured at 0.043 by the LNE.
The gap between the hot tile and the insulation. Specified dimension: 20 mm. The strength of the tile increases with its thickness, but 20 mm is sufficient to achieve the bulk of the gain.
Proportion of infrared radiation reflected, i.e. 1 minus the emissivity. The stated values are shown in the selector above.