Mike Wye
Export date: Thu Aug 18 0:47:36 2022 / +0000 GMT


Price: £18.00 - £27.50
+ VAT & delivery

Product Categories: ,

Product Page: https://www.mikewye.co.uk/product/steico-duo-dry/


Product Variants

  • STEICO Duo Dry - 40 mm (#40090)
  • STEICO Duo Dry - 60 mm (#40091)

Product Summary

Product Description

STEICO Duo Dry is an external thermal insulation board made from natural wood fibres.

The STEICO Duo Dry is insulation board that can be used as both a sheathing and render board externally.


  • Provides instant weather protection due to proven T&G profile.
  • Render carrying insulation boards for ETICS (external wall insulation) systems.
  • Water repellent yet vapour open boards for robust constructions.
  • Excellent insulating properties in winter as well as summer and good acoustic performance.

Areas of Application

External Solid Wall Rendered

External Solid Wall Clad

Timber Frame Rendered

Timber Frame Clad

Cross Laminated Timber Rendered

Cross Laminated Timber Clad

Timber Frame Brick Clad

New Build Roof Pitched

New Build Flat Roof

Retrofit Roof Externally Fitted

Retrofit Roof Internally Fitted



  • STEICO Duo Dry is a wood fibre insulation board for render application on external walls.
  • Sheathing board for both pitched roof and wall constructions.
  • Insulated wall panel for use behind a rain screen.
  • Internal insulation board onto timber framework / joists / rafters suitable for plaster application.

Dimensions & Coverage

Thickness [mm]* Edge Dimensions for coverage [mm] Coverage / board [m²] Total board size including T&G profile (mm)
40  T&G 2205 x 575 1.268 2230 x 600
60 T&G 2205 x 575 1.268 2230 x 600

T&G = Tongue & Groove 

Technical Values

STEICO Duo Dry Data Sheet 1

Fire class according to EN 13501-1 E
Declared thermal conductivity λD [W/ (m*K)] 0.043
Water vapour diffusion resistance factor μ 3
Specific heat capacity [J / (kg*K)] 2.100
Compression strength [kPa] 200
Tensile strength perpendicular to face ^ [kPa] 30

We are a STEICO stock-holding distributor with full, dedicated warehousing for immediate dispatch. Contact our friendly and knowledgeable STEICO experts who can help guide you through every step of the process:

  • Helping with design and specification.
  • Calculating U-values and other parameters.
  • Calculating the quantities of each product you'll need.
  • Quoting for direct delivery to site from our UK based STEICO warehouse of wood fibre insulation.

You can contact our friendly team by phone, by email or by completing the form found at the bottom of the page.

To view our full STEICO wood fibre insulation range click here. 2

Product Gallery



  1. https://www.mikewye.co.uk/wp-content/uploads/2022/ 02/STEICOduo_dry_en_i.pdf
  2. https://www.mikewye.co.uk/product-category/natural -insulation/wood-fibre-insulation/
Product added date: 2022-02-25 13:17:41
Product modified date: 2022-07-05 15:55:31

Export date: Thu Aug 18 0:47:36 2022 / +0000 GMT
Product data have been exported from Mike Wye [ https://www.mikewye.co.uk ]