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Superfoil SFTV 50m x 1.5m
Superfoil SFTV 50m x 1.5m
Superfoil SFTV 50m x 1.5m
Superfoil SFTV 50m x 1.5m
Superfoil SFTV 50m x 1.5m

Superfoil SFTV 50m x 1.5m

  • Multifoil Insulation
  • SuperFoil Insulation

  • Free Next Day Delivery (over £500) in the West Midlands
  • Free Standard Delivery (over £500)
  • View our guides for Help & Advice
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🚛 Next Day Delivery (West Midlands) – FREE on orders over £500

SuperFOIL SFTV is a cutting-edge reflective insulation material designed to provide an unparalleled thermal performance in various construction applications, including walls, roofs, and floors. Reducing solar gain in summer and improving insulation in winter, the versatile and adaptable insulation is composed of multi-layered, reflective foil sheets combined with a compressible, fibrous core. This results in a product that offers numerous superior features while maintaining a lightweight, flexible nature. 

The SuperFOIL SFTV offers exceptional performance, exceeding standard vapour control layers. With a thickness of over 1mm, it boasts strength and durability, resisting punctures and tears. This high-quality design extends product lifespan and protects buildings from damage. Each roll covers 24m², providing a cost-effective solution for large-scale projects. With a water vapour resistance of 1200+ MNs/g, it shields against condensation, reducing the risk of mould and structural damage. 

Applications: Roofs, walls and floors in new builds, retrofits and extensions 

Installation: Easy to cut, fold, and install.  

Size: 

  • 50 m x 1.5 m 

Features: 

  • Ideal for new build, retrofit and extensions   
  • Acts as a 2-in-1 with both radiant barrier and vapour membrane  
  • W1 water tight   
  • Water vapour resistance 1200+MNs/g 
  • Ultra-low emittance of 0.03 
  • water vapour resistance of 1200+ MNs/g 
  • Easy to install 
  • BBA, BTTG and LABC Certified  
  • Airtight  
  • Reduces convective and radiant heat loss  
  • Flexibility at low temps of up to -40c 
  • Euroclass Fire Rating: Class E  
  • Conforms to ISO 9001:2015 
  • Made from up to 40% recycled materials 
  • Roof Performance – 0.95 R Value (Core value + 2 air spaces / EN 16012) 
  • Wall Performance – 1.42 R Value (Core value + 2 air spaces / EN 16012) 
  • Floor Performance – 2.8 R Value (Core value + 2 air spaces / EN 16012) 

DISCLAIMER: Please make sure this product meets fire safety regulations for your project. 



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Frequently Asked Questions

Superfoil SFTV insulation can be easily cut to the desired size and shape using standard scissors or a utility knife. Ensure accurate measurements and cut carefully to achieve a precise fit.

Superfoil SFTV insulation is suitable for a variety of applications, including insulating walls, roofs, and floors. It is also commonly used in timber-framed constructions, extensions, and conservatories to enhance thermal performance.

Superfoil SFTV features reflective foil, insulation wadding, and an air bubble layer, prioritising thermal insulation. In contrast, Superfoil SF19BB includes a breathable membrane, making it ideal for areas where moisture control is crucial, such as roof insulation. Choosing between the two depends on your specific project needs, as Superfoil SF19BB excels in moisture management, while Superfoil SFTV focuses on thermal performance.

Although this super foil insulation has some fire-resistant properties, it is not considered fireproof. If you’re looking for fireproof insulation, explore our KNAUF Fire Panel, or get in touch to learn more about our fireproof insulation options.

Free shipping will automatically be applied to all orders over £500. Simply add over £500 to your cart and you will see the discount while checking out.

Orders under £150 - £100 carriage.
Under £300 - £50 charge.
Under £500 - £25 charge.
Over £500 is free.

We typically deliver orders within 2-3 business days of ordering.

Orders for the West Midlands will be completed in 1 to 2 working days.

Orders for areas out of the West Midlands will be completed in 3 to 4 working days.

Orders made after 5pm will be processed on the following working day.

Our deliveries are typically made between 8am and 5pm, Monday - Friday excluding Bank Holidays (Great Britain).

We are unable to offer timed deliveries.

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