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SuperFOIL SFTV Thermal Vapour Barrier 1.5m x 25m Roll - 37.5m2

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£65.95 Incl. VAT
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Product Description

SuperFOIL SFTV is the ultimate all-round building membrane for roofs, walls and floors. Water & vapour proof SFTV is also a foil radiant barrier that will reduce solar gain in summer and improve insulation in winter. SFTV's reflective properties add to the overall uValue of the building fabric. To achieve the maximum energy performance in new build and retrofit projects, SFTV makes an ideal 'airtight' layer suitable for the entire building envelope.

Layers : 3 - polypropylene reinforced heavy laminated foil.
Width : 1.5m.
Length : 25m.
Coverage : 37.5m2.
Colour : Silver.
Weight per roll : 4.8kg.

Thermal insulation values including 2x air gaps
Roof : 0.95 R.
Wall : 1.42 R.
Floor : 2.8 R.


  • Waterproof.
  • Vapour proof.
  • Air tight.
  • Radiant barrier.
  • Helps to prevent mold & damp.
  • Enchances thermal resistance.

Product Documents


WIDTH 1500mm LENGTH 25m


Permeability Vapour Barrier
Air Tight
Roll Size 37.5m2

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Questions & Answers


How thick is this product?


Thickness: 1mm 


Hi folks, I need to purchase a vcl for a warm flat roof on my new self build extension. Which one would be your recommendation? Cheers David


Hey Dave, SuperFOIL SFTV Thermal Vapour Barrier 1.5m x 25m Roll - 37.5m2 would work great or any of our Noiva, tyvek products :)

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Product Reviews

5 / 5 6 reviews
Simon Walker
30th July 2021
Perfect product exactly what I was after 10/10
Stephen Watts
14th March 2021
Good product just the job
9th February 2021
Product is great, not very well packaged.
ceri hicks
30th November 2020
Good product
Brian Matthews (TAMIYA)
10th November 2020
Very pleased with this product, very strong material and have found it ideal to use over PIR insulation in conjunction with SuperFOIL Superior tape in my new timber shed which is being converted into a craft room, the room already feels cosy, excellent product.
Mr Roger Walton
20th September 2020
Easy to work with and strong.
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SuperFOIL SFTV Thermal Vapour Barrier 1.5m x 25m Roll - 37.5m2

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