SuperFOIL SF40BB is an even higher performance multi-foil insulation and breather membrane than our SuperFOIL SF40BB, composed of layers of perforated Aluminium Coated Reflective Foil PET, thin Loft Quilt, reflective foil and reflective-coated breather membrane to create a highly effective insulation for use in Roofing, walls and flooring. A 3-in-1 design, SF40BB Breathable Multifoil insulation functions as foil insulation, a breather membrane and a radiant barrier. SuperFOIL SF40BB is made from up to 40% recycled materials and is fully recyclable at the end of its 50+ year lifespan.

• Achieves an R Value of 3.67 in Roofs and 3.98 in walls
• No need for additional Breather Membrane
• Ideal for New Builds, Extensions and retrofits
• Simple installation with basic tools and supplies
• Space-saving size with effective insulating properties

Data Sheets & Guides:

SuperFoil Under Rafter Installation Guide

SuperFoil Over Rafter Installation Guide

Super Foil External Wall Installation Guide

SuperFoil SF40BB Data Sheet