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12x SuperFOIL SF19BB Breathable Multi Layered Foil Insulation - 1.2m x 10m - 12m² - 12 Pack (144m²)

£1,336.42 Ex VAT
£1,603.70 Inc VAT
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A pack of 12 rolls of SuperFOIL SF19 - ideal for small retrofits and conversions. SuperFOIL SF19 is an effective multi-foil insulation and breather membrane, 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, SF19BB Breathable Multifoil insulation functions as foil insulation, a breather membrane and a radiant barrier. SuperFOIL SF19BB 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 2.22 in Roofs and 2.53 in floors
  • 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 SF19BB Data Sheet

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  • Size
    1200mm x 10m
  • Coverage (m²)
    144
  • Thickness
    40mm
  • Length
    10m
  • Width
    1200mm
  • Material
    Layered Foil & Loft Quilt
  • Estimated Lifespan
    50+ Years
  • Thermal Resistance
    Core R Value: 1.454
  • Water Resistance
    0.115MNs/g

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0115 6976 800

Frequently Asked Questions

What is a Damp Proof Membrane?

Damp Proof Membranes (DPMs) are barriers often used in construction to prevent moisture from penetrating floors and walls. Made typically from a thick polyethylene sheeting, DPMs are often laid under concrete floors and walls to block moisture rising from the ground, thereby protecting interior spaces from dampness and mould.

What is a Breather Membrane?

A Breather Membrane is a semi-permeable layer that is designed to allow water vapour to escape from within a building while preventing liquid water from entering. They are installed on the “cold” side of a wall or roof structure (the “outward face” to ensure that the structure remains dry and free from condensation, which can lead to structural damage and poor insulation performance.

What is a Vapour Control Layer?

Vapour Control Layers (VCLs) are installed on the “warm” side of a wall or roof structure to limit the amount of water vapour that can pass through the structure. Unlike breather membranes, VCLs are designed to block vapour rather than allow it to pass, which helps prevent condensation within walls and roofs that leads to insulation degradation and structural damage. 

What is a Gas Barrier?

A Gas Barrier is a membrane used to prevent hazardous gases, such as radon, methane, and carbon dioxide, from entering a building. These barriers are especially important in areas with contaminated ground or high levels of natural gas emissions. Made from robust, impermeable materials, gas barriers are installed beneath the foundation to provide a protective seal, requiring an airtight seal with appropriate overlap tape.

What is a Radiant Barrier?

Many of our multifoil insulation products function as an insulation, a Vapour Control / Breather Membrane, and a Radiant Barrier. Radiant Barriers are designed to reflect radiant heat rather than absorb it. These barriers are typically installed in the attic or roof space to reduce heat transfer, keeping buildings cooler in summer and warmer in winter. By reflecting heat away, radiant barriers improve the energy efficiency of a building.

Our Popular Brands of VCLs, Breather Membranes and Damp Proofing