Steico DUO Dry – Diffusion open combined sarking & render board for walls & roofs
MADE FROM NATURAL WOODFIBRE
Weatherproof external roof & wall natural woodfibre insulation board
For timber and  masonry construction
The DUO DRY board can be fixed over timber framing, CLT’s, masonry walls,  metal frames & over roof rafters. Suitable for a natural lime or clay render finish. Square edge board available.
• Water resistant (no additional membrane needed)
​• Reduces cold & heat bridging through the structure
• Tongue & Groove on all 4 sides preventing air leaks
• Vapour open allow building fabric to breath
• Excellent fire resistance
• Good sound proofing qualities
• Environment-friendly, fully recyclable
• Provides a green architectural solution
• Available in “Wet or Dry” board
• Passive House Institute Certified Component
FSC® and PEFC
Declared thermal conductivity 0.040 [W/(m*K)]