Glass Mineral Wool - Knauf Insulation OmniFit® Roll 40

Knauf Insulation OmniFit® Roll 40


Multi-Application, Ground floors, Internal floors, Pitched roofs at ceiling level, Internal walls / partitions


Glass Mineral Wool


OmniFit® Roll 40 is a Glass Mineral Wool roll, designed for use in multiple applications that offers excellent thermal and acoustic performance.

It is non-combustible insulation with the best possible Euroclass A1 reaction to fire classification, and is manufactured using Knauf Insulation's unique bio-based binder, ECOSE® Technology.


  • Multi-purpose product which can be used to insulate a wide range of applications, meaning less products on a vehicle and on-site.
  • Partially perforated rolls for use in either timber or steel frame applications at 400mm or 600mm centres.
  • Compression packed with more product on a roll than alternative Rock Mineral Wool rolls.



Thickness (mm)Length (mm)Width (mm)Thermal Conductivity (W/mK)R-Value (M²K/W)Area per Roll (m²)Euroclass Reaction to Fire ClassificationRoll TypeFacingArea Per Pack (M²)
10068001200 (2x600 or 3x400)0.0402.508.16A1Combi-cutUnfaced8.160
15045501200 (2x600 or 3x400)0.0403.755.46A1Combi-cutUnfaced5.460
20034001200 (2x600 or 3x400)0.0405.004.08A1Combi-cutUnfaced4.080

Certification & Memberships

Eurofins Gold
Euroclass A1 Reaction to Fire Classification
Green Guide Rating A+
CE Marking
Red List Free
EN 15804
Made in Britain

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