Airtec Double

Airtec Double

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Key Features

  • Highly Reflective True Aluminium Foil
  • Thin, Flexible and Easy to Install
  • High Performing Vapour Control Layer
  • Insulating Air Bubble Membrane
  • Suitable for All Applications
  • R-Value up to 1.455m² K/W
  • Available in various sizes
  • UK Manufactured
expand_circle_down Description

Best Selling Multi-Purpose Foil Insulation

Airtec Double is a 2 in 1 insulating and Vapour Control Layer for use in Roofs, Walls, Floors, Sheds, Greenhouses, Caravans, and many more. It is Thin, Lightweight, Flexible, and Easy to install in any application.

This reflective material is designed to reflect excess heat away in the summer and cold away in the Winter creating a comfortable living space for all year-round use.

Choose from 4 Different Easy to Handle Roll Sizes!

  • 1.05m x 25m
  • 1.05m x 50m
  • 1.2m x 25m
  • 1.5m x 25m

Equivalent to around 55mm of Polystyrene while only being 4mm thick it is the most popular insulation for places where space is an issue.

Watch our online How-To-Videos or download our Fitting and Data Sheets to see how easy it is to install Airtec Double.

If an upgraded product is preferred, we would advise our EcoQuilt Expert. EcoQuilt is a 15mm, 6-layer Multifoil which is suitable for all the same applications.

Order Airtec Double Online before 2 pm and receive Free Next Working Day Delivery on all orders over £100+Vat.

expand_circle_down How To Guides

How To Install Airtec Double

expand_circle_down Specification
Width1.05m or 1.2m or 1.5m
Length25m or 50m
Thickness 4mm
Weight200g per m²
Foil Emissivity0.05
Water Vapour Resistance600MNs/g
expand_circle_down Data Sheets expand_circle_down Q&As


Airtec is un-perforated. It works instead as a vapour control layer. Once you have taped and sealed Airtec – you will prevent passage of moisture. This will in turn remove the risk of condensation.

Can this product be used under Laminate?

We would advise using EcoTec Floor Foam instead as the Airtec has air filled pockets, which could decompress under the weight and massively impact its thermal performance. The EcoTec Floor Foam has a dense foam membrane so is better suited for that application.

What’s the best way to install this?

We would advise applying Airtec by stapling it, to rafters / battens depending on your application. You should use 14mm staples, which come with our Heavy Duty Staple Gun Kit, if you don’t already have them.

Do I need a gap either side of the AirTec?

We do recommend that you have an air cavity either side of the product, to maximise its performance. It will trap low emissivity air within the cavity, enhancing its thermal performance.

Can I insulate over the top of electrical cables?

So long as the cables are not in direct contact with the Airtec, its ok to have the cables underneath. You could always encase them in trunking for extra protection. If you need to pull the cables through the insulation, that is also ok – just ensure you tape and seal around where you have cut.

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.

expand_circle_down Reviews

2 reviews for Airtec Double

  1. Matthew Martyn (verified owner)

  2. Peter M. (verified owner)

    Great product – easy to cut and affix

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