3-in-1 breathable multifoil insulation, designed to offer high-performance insulation, reflective breather membrane, and radiant barrier for roof and wall applications in both new builds and retrofits.

Features and benefits:

The breathable membrane helps to prevent the formation of mould and damp by reducing the risk of condensation.
The perforated design of the layers maintains breathability throughout the entire product.
All SuperFOIL Breathable Membrane products are rated ‘W1’ for watertightness, providing a secondary rain barrier.
SuperFOIL SF19BB offers thermal performance values of 1.45 R-value for the core, 2.03 R-value for roofs, and 2.24 R-value for walls.
Can contribute to reaching U-values of as low as 0.10 W/m²K.
SuperFOIL’s clever design brings more functionality with less product and a slim construction depth.
Multifunctional, lightweight and easy to install design that requires no specialist tools and creates minimal wastage.
Reaction to Fire (Euroclass) Class E behind plasterboard.
SuperFOIL SF19BB has undergone rigorous testing and third party certification to comply with the latest building regulations standards for use as part of construction and European regulations such as CE/UKCA.
SF19BB can be installed in combination with other insulation products.
All SuperFOIL breathable products are suitable for use in roofs, and walls in new build & retrofits.
SF19BB is made from up to 40% recycled materials and is fully recyclable at the end of its 50+ year lifespan.

Components:

one reflective coated breather membrane.
Three perforated aluminium coated, reflective foil polyethylene terephthalate (PET) layers.
Perforated, reinforced heavy outer reflective foil.
Four loft quilt layers, 80 g/m².

SF40BB Declaration of Performance (DOP): SF40BB-BD-CPR-01-06-20