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YBS Airtec Double
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Top Selling Multi-Purpose Foil Insulation
This is an ultra-thin, highly reflective aluminium foil product. YBS Airtec Double is it just 4mm, so is our thinnest insulation. Suitable for Roofs, Walls, Floors, Conservatories, Greenhouses, Sheds, Summerhouses, and Motorhomes.
YBS Airtec Double performance comes from highly reflective aluminium foil. It has a laminated surface for durability on either side of an air bubble membrane too. This membrane effectively acts as a Vapour Control Layer when fully taped and sealed using ThermaSeal Foil Joining Tape.
Airtec Double is equivalent to around 55mm of Polystyrene, with an R-Value of 1.45. It is the DIYer’s go-to insulation as it is thin, flexible, and extremely easy to install.
You can Download our Fitting and Data Sheet or you can view our How-To Videos, to see how easy it is to install Airtec Double in your project.
If you are looking for a higher-performing product? Our best multifoil for DIY use is EcoQuilt Expert. When comparing performance to cost is our EcoQuilt Expert material. EcoQuilt is suitable for all the same applications as Airtec however close to double the performance.
Order online at the lowest Online Prices before 2 pm and receive delivery the Next Working Day to the UK Mainland.
YBS Airtec Double is also available in a Trade Pallet so you can buy Airtec Double at the lowest price per roll.
FREE GIFT
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.
EcoAirtec Double Insulation - High Performing Multi Purpose Foil Insulation
How To Install Airtec Double
| Width | 1.05m or 1.2m or 1.5m |
| Length | 25m or 50m |
| Thickness | 4mm |
| Weight | 200g per m² |
| Foil Emissivity | 0.05 |
| Reflectivity | 95% |
| Water Vapour Resistance | 600MNs/g |
What is YBS Airtec Double insulation used for?
YBS Airtec Double insulation is a multi layer reflective insulation designed for roofs, walls, and floors, sheds, summerhouses and many more applications. It helps reduce heat loss, improve energy efficiency, and act as a vapour control layer when taped and sealed with ThermaSeal Foil Tape.
Can YBS Airtec Double insulation help reduce condensation?
Yes, when properly installed and sealed with ThermaSeal Foil Tape, YBS Airtec Double insulation acts as a vapour control layer, reducing the risk of condensation by limiting moisture transfer through walls, roofs, or floors.
Can YBS Airtec Double insulation be used in retrofit projects?
Yes, YBS Airtec Double insulation is lightweight and flexible, making it suitable for both new builds and retrofit applications, including loft conversions, wall upgrades, and floor insulation projects.
What thickness is YBS Airtec Double insulation?
YBS Airtec Double insulation is around 4mm thick, making it a slim-profile insulation solution suitable where space is limited.
How do you install YBS Airtec Double insulation correctly?
YBS Airtec Double insulation should be installed with at least one reflective side facing an unventilated air gap. It can be stapled or fixed to rafters, studs, or joists, with all joints sealed using Thermaseal foil tape to maintain airtightness and vapour control performance.
Is Tape Essential?
It isn’t essential, but it is advisable for most applications. To achieve a vapour control layer you need to use the Thermaseal Foil Joining Tape around all of the edges and joints. You can always get in touch via our Contact Us Form, if you would like assistance on any specific application.
Jeff Gladwin (verified owner) –
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