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Earthwool® Flexible Slabs are high performance non-combustible Rock Mineral Wool slabs with flexible edges on all four sides, manufactured using ECOSE® Technology, and are designed for use in multiple applications.

Features and benefits:

  • Good thermal performance.
  • Non-combustible A1 Euroclass Reaction to Fire classification.
  • Good sound absorption characteristics.
  • Multi-purpose product which can be used to insulate a wide range of applications on site.
  • Flexible on all four sides for quick and simple installation.

General information

Slab length: 1200 mm

Slab width: 600 mm

Uniclass 2015 Sound attenuator infill units (Pr_35_93_13_80)
Specification data
Product Reference

Earthwool® Flexible Slab


40 mm

50 mm

60 mm

70 mm

90 mm

100 mm

140 mm

Standard product features


  • Slab length: 1200 mm.
  • Slab width: 600 mm.

Thermal conductivity:

  • 140 mm: 0.034 W/mK.
  • All other thicknesses: 0.037 W/mK.

Fire Performance:

Euroclass A1 to BS EN ISO 13501-1.


A+ generic BRE Green Guide rating.