Knauf Earthwool Underfloor Insulation Batts



A home insulated with thermal underfloor insulation requires less internal heating and cooling to maintain the desired temperature. Available in a range of R-Values and popular stud widths. Select your stud / joist width and then choose an R-Value to see actual price and product information.

Minimum purchase of 5

Get Trade PriceReturns


Knauf Earthwool Underfloor Insulation Batts


  • High thermal performance – year round comfort
  • Sound absorbing
  • Wind-wash barrier – protection from air movement
  • Saves energy – lower energy bills
  • No added formaldehyde
  • Soft to handle and install
  • Friction fit
  • Compression packed – more product per pack
  • Odourless.


Knauf Earthwool Underfloor Insulation batt is manufactured from durable silicone coated glasswool and is faced with an ECOSE® glass veil, providing a wind-wash barrier. The wind-wash barrier provides protection from air movement under the floor.

Earthwool® FloorShield underfloor batt will improve the thermal comfort and energy efficiency of the building in which it has been installed thus keeping it cool in summer and warm in winter. Earthwool® is made using up to 80% recycled glass and with ECOSE® Technology, a sustainable, bio-based binder that contains no added formaldehyde.

Knauf Earthwool Underfloor Insulation TYPE

Product Type Batt
Facing Type Faced


Renovation or New Building Renovation & New Building
Building Type Residential


Check out Insulation Easy products for residential and commercial buildings. Knauf Insulation

Insulation Easy online store sells a wide range of thermal and acoustic insulation products. In addition to this, we also sell Kingspan Kooltherm®, Kingspan Air-Cell®, Mass Loaded Vinyl, Nuwrap Pipe Lagging Insulation, Foilboard Greend Rigid Panels, Fibertex Rock-wool, Autex GreenStuf, Knauf Earthwool, Fletchers Pink Batts and Bradford Gold Batts.

If you have any questions or require a special delivery quotation, don’t hesitate to Contact Us! You can also get a free obligation quote here. Check out other insulation supplies in Insulation Easy.

For additional information about warranty, delivery and returns.

Additional information


2.0HD, 2.5HD


430mm, 580mm


75mm, 90mm


9.98, 13.46, 6.98, 9.42



Product Datasheet

Material Safety Datasheet


Material Code
R-Value (m²K/W)
Density (kg/m³)
Thickness (mm)
Width (mm)
Length (mm)
Area per pack (m²)
Pieces per pack
2437532 2.5 HD 20 90 430 1160 6.98 14
2437533 2.5 HD 20 90 580 1160 9.42 14
256736 2.7 SHD 27 90 430 1160 4.99 10
251511 2.7 SHD 27 90 580 1160 6.73 10