Glasswool insulation is an ideal solution for providing thermal and acoustic performance in your underfloor.

Product Range


Earthwool® Underfloor insulation with a wind-wash barrier has been designed to provide superior thermal performance. In windy conditions, the wind-wash barrier will provide added thermal protection by ensuring the thermal performance of the insulation is not reduced by air movement.


Earthwool® Underfloor insulation with a wind-wash barrier provides a superior solution for improving the thermal performance of timber frame floors. The wind-wash barrier provides protection from air movement under the floor. Adding to the already easy to handle and install qualities of Earthwool®, the insulation can be stapled in place. Earthwool® Underfloor insulation 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® is made using up to 80% recycled glass and with ECOSE® Technology, a sustainable, bio-based binder that contains no added formaldehyde.