Foil-Tec - Single & Double

Foil-Tec is an ultra-thin, flexible, easy to install, vapour control and insulating membrane for roofs, walls and floors.

Foil-Tec effectively controls condensation and air tightness in both roofs and walls, while offering great thermal benefits. Foil-Tec can also be used independently as an insulation membrane in floor applications.

This product
offers the following major benefits

  • R-Value up to 1.48 m²K/W, equivalent to 65mm of mineral fibre insulation
  • Built-in airtight vapour control layer to prevent the passage of moisture, reducing the risk of condensation
  • Up to 66% reduction in heat loss, saving you money on your energy bills
  • Suitable for roofs, wall, floors and many more applications
  • Thin, flexible, lightweight and easy to install
  • Zero fibres removes the need for PPE
  • Fully Agrément Certified, Building Control compliant and NHBC accepted
  • Made in Britain

Foil-Tec has been independently tested and certified to the latest Industry Standards, including BDA Kiwa certificate of Agrément.

Foil-Tec Single

Foil-Tec Double

YBS Insulation at a glance

YBS Insulation


Years Manufacturing Insulation



Metres of insulation manufactured per year

More than


Global Stockists

of our products