140mm STEICO Special Dry 600mm x 1880mm 1.067m² Per Board
Product Code:
1.067 m²
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As featured in the COP26 house.
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Steico special dry is an insulating weatherboarding made from natural wood fibres. Suitable for both sheathing and roofing applications and is ideal for renovation and new build projects.

Key points :
  • Applied over the rafters or studs to improve insulation values
  • 3 fold functionality; insulation, wind tightness and weatherproofing
  • High ‘Summer Heat’ protection
  • Good sound insulating properties
  • Can be laid directly onto the rafters without additional support
  • Both easy to handle and work with
  • Water vapour open for healthy constructions
  • Exposure to the elements for up to 12 weeks on new build projects and 4 weeks for renovation projects for roof pitches over 16°
  • High insulation values, improving energy efficiencies
  • Reduces thermal bridging
Specification :
  • Length: 1880mm
  • Width: 600mm
  • Thickness: 140mm
  • Density: 140 kg/m³ Approx.
  • Thermal Conductivity: 0.040 W/mK
  • Thermal Resistance RD: 2 (m²*K)/W
  • Water vapour diffusion resistance value (μ): 3
  • Specific heat capacity: c [J/(kg*K)] 2.100


  • New builds
  • Renovation projects