100mm Knauf Earthwool DriTherm 34 Ultimate
Product Code:
4.368 m²
Thermal Conductivity:
0.034 W/mK
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For thermal insulation in residential and non-residential masonry cavity external walls, Earthwool DriTherm 34 Ultimate Cavity Slabs have a special additive to make the product water repellent. They are 455mm wide to suit standard vertical wall tie spacings allowing a closed joint with adjacent slabs.

Key points :
  • Excellent thermal performance.
  • Manufactured using a water repellent additive.
  • Slabs are sized to fit between wall ties without the need for retaining discs.
  • Euroclass A1 non-combustible.
  • Easy to handle and install.
Specification :
  • Thickness: 100mm
  • Width: 455mm
  • Length: 1200m
  • Pack Coverage: 4.368m²
  • Quantity per pack: 8
  • Thermal Conductivity:  0.034 W/mK
  • R-Value: 3.10 m²K/W
  • Fire Rating: A1


  • A+ rating on BRE Green Guide
  • BBA - 95/3212
  • ISO9001 - Quality Management Systems
  • ISO14001 - Environmental Management
  • BS OHSAS18001 - Occupational Health & Safety Management Systems
  • ISO50001 - Energy Management Systems
  • EN 13162 - Manufactured in accordance with
Datasheets & Documents.
If you require a Safety datasheet (SDS) for this product please get in touch.
If you require a BBA Certificate for this product please get in touch.