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Can Ultralight be used under concrete?

Ultralight Insulation Boards


Ultralight is designed for and can be used under concrete up to 2″ in thickness. When concrete is greater than 2″ the benefits of the Ultralight diminish, therefore, in concrete larger than 2″ we recommend the use of other insulating boards suitable for the specific application.

Always consult a local concrete contractor prior to installing insulating boards for specific applications.