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SuperFOIL SFBA MP Multi-layer Air Bubble Thermal Insulation - 1.5m x 25m

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£79.22 Incl. VAT
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SuperFOIL SFBA is the UK’s leading bubble foil insulation. SFBA is designed to maximize insulation performance with a quick and easy installation. SFBA is an ideal radiant barrier for supplementing existing insulation, helping to keep your house warmer in winter and cooler in summer.

This double foil single bubble thermal insulation works by reflecting heat, just like a mirror reflects light. SFBA is an ideal radiant barrier for supplementing existing insulation to keep your house warmer is winter and cooler in summer. SFBA is a high performance insulation and can utilise low emissivty air gaps to maximise the thermal capabilities.


  • SuperFOIL SFBA MP can be used in roof, wall and under floor applications. Can also be used in dry lining (such as in cellars) plus, greenhouses and other industrial applications.
  • SFBA MP is waterproof and resists the passage of moisture through walls, floors and ceilings.
  • Quick and easy to install.
  • The multi-layer air bubble insulation with external layers of aluminium metalized PET design provides a corrosion resistance for increased lifespan.
  • SFBA is a high performance insulation that utilises low emissivity air gaps to maximise the thermal performance.
  • SFBA is an ideal radiant barrier for supplementing existing insulation to keep your house warmer in winter and cooler in summer.


Length: 25m.
Width: 1.5m.
Roll size: 37.5m2.
Roll weight: 7.5kg.
Thickness installed: 3mm.
Thermal Resistance - rValues:
For pitched roofs: 1.03 R.
For Walls: 1.45 R.
For Floors: 2.77 R.
Layers: 3 - air seal & radiant barrier.
Colour: reflective silver foil.


SFBA should be installed on the "warm" side of the insulated structure, with special care being taken to ensure that all seams and holes are sealed effectively to render the whole structure moisture and vapour proof and to improve thermal performance.

It is important that SFBA is installed as a continuous barrier in order to prevent vapour entering the wall or the roof.

Fixing & jointing

All laps should be a minimum of 50mm and be sealed using SF jointing tape. Particular care is required when sealing around penetrations. Where the barrier is breached by construction elements, the aperture should be sealed with SuperFOIL tape.


Length 25m Thickness 3mm Width 1500mm


Application Below Rafter
Internal Walls

Questions & Answers


Can you use this product, SFBA MP multi-layer air bubble thermal insulation next to a polycarbonate conservatory roof?


Yes this should be suitable.


Hi does SFBA MP-25 insulation needs a felt over the top of it?


Yes you could not use this as the last membrane before the tiles you would still need a breathable felt underaly under your tiles.

Have a question about this product?


5 / 5 2 reviews
Mr Gibbs
26th September 2020
Arrived safe and undamaged. easy to use and wfective.
Mr J Peck
27th February 2020
great product and easy to use
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SuperFOIL SFBA MP Multi-layer Air Bubble Thermal Insulation - 1.5m x 25m

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