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YBS Foil-Tec Single Lite 75m²

YBS Foil-Tec Single Lite 75m²

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expand_circle_down Description

Ultra-Thin Multi-use Insulation

YBS Foil-Tec Single Lite is an effective 2 in 1 Insulating Vapour Control Layer (VCL)  that is fully BDA Kiwa & NHBC approved for Roofs, Walls, and Floors.

The product acts as a Vapour Control Layer, only when fully taped and sealed with our Thermaseal Foil Joining Tape.

Despite being less than 1mm in thickness, Foil-Tec Single had an R-value of up to 0.740²K/W!

YBS Foil-Tec Single Lite 75m² is non degradable, so it maintains its thermal performance and product integrity.

You can view our Data Sheet, which includes  Target U- values and Fixing Instructions.

Foil-Tec Single is commonly used in conjunction with underfloor heating, to secure the insulation in to place we advise using the YBS Saddle Clips as these will hold the material in to place, whilst creating an air cavity which enables the Foil to reflect and perforn.

Contact Us

If you require assistance with your specific project, do not hesitate to get in touch with us via our Contact Us Page. If you have a project going through building control, why not visit our Online U-value Calculator? The U Value Calculator provides free results specifying exactly what product makeup you need to achieve it.

Order online at the lowest Online Prices before 2pm and receive delivery the Next Working Day to the UK Mainland.

Prefer to order by phone? Speak to our dedicated team on 0114 323 0045. Or you can request a Call Me Back!


Spend £500 + VAT and Choose a FREE GIFT at the checkout!

Free Gifts Include: Thermaseal Foil Joining Tape, Heavy Duty Staple Gun Kit, Multifoil Insulation Scissors or Thermaseal Double Sided Tape.

expand_circle_down How-To Guides

How to Install Foil-Tec Single/Double on Floors

  1. Roll out Foil-Tec

    Start by rolling out Foil-Tec over the joists. It is recommend to roll the insulation perpendicular to the joists. Avoid cutting the length just yet, as the recess will use up extra material.

  2. Create a recess with Saddle Clips

    Saddle Clips are important for keeping the insulation fixed in place, but additionally to create an even air cavity. Install Saddle Clips over the joists, which fits Foil-Tec snug around the timber. We recommend 4 saddle clips per m2

  3. Alternate method - using Staples

    An alternate method if you wish to avoid Saddle Clips is to staple. Staple Foil-Tec down the joists, to create an air cavity. Tip - the further down the joists, the greater the thermal benefits! This is because an increased cavity will give an improved R-value.

  4. Overlapping Foil-Tec

    Overlap Foil-Tec by a min 50mm, however to a max of 100mm. This prevents any draughts. Ensure any overlaps are left un-taped. This allows any potential moisture build-up to properly escape.

  5. Ensure Foil Tec is lipped up the walls

    Around the perimeter, it is important to lip Foil Tec up the wall. It needs to be taken up by a min of 50mm. This will generally be then hidden by chipboard and skirting board. This is to prevent any draughts. Follow with Thermaseal Foil Tape around the perimeter.

  6. Finish by installing Chipboard

    Once all the insulation is fixed down and recessed, you are now ready to install your finished floorboards.

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expand_circle_down Specification
Roll Coverage75m²
Thickness Less than 1mm
Roof R-value0.98m²K/W
Wall R-value1.48m²K/W
Floor R-valueup to 3.37m²K/W
Foil Emissivity0.05
Water Vapour Resistance600MNs/g
expand_circle_down Data Sheets

Key Features

  • True Aluminium Foil
  • Vapour Resistance: 600MNs/g.
  • Uses very minimal room – Under 1mm thick
  • Vertical Cavity R-Value: 0.740m²K/W
  • Cavity at 20° to 70° R-value: 0.490m²K/W
  • Class 1 Surface Spread of Flame
  • UK Manufactured – YBS Insulation Logo