Knauf Earthwool Glasswool R4.1 Ceiling Insulation


Earthwool® glasswool insulation: roof blanket 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. Super-soft to handle and install.

Earthwool® glasswool is made using up to 80% recycled glass and with ECOSE® Technology, a sustainable, bio-based binder that contains no added formaldehyde.

If you would like a quote to have the product installed, please request a quote here and we’ll provide you a price based on the metres of insulation required.

  • Description


    • High thermal performance – year round comfort
    • Sound absorbing
    • Non-combustible
    • Saves energy – lower energy bills
    • No added formaldehyde
    • Soft to handle and install
    • 50 year product warranty


    Product specifications:

    • m2 per bale: 7.5
    • Width: 430mm
    • Height: 195mm
    • Length: 1160mm
    • Pieces per bale: 1