Insulated Concrete Overview

If you are new to THERMOMASS and insulated concrete sandwich panel construction, there’s a lot of information to take in. Here we hope to give it to you in a nutshell.

THERMOMASS XPS insulation, the fibre composite connectors, in combination with two layers of concrete, creates a thermal envelope with a high thermal mass. This document demonstrates the thermal performance of typical insulated concrete wall construction using THERMOMASS.

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Summary Data Table. (Insulation Material only)

Thicknesses R-Value Suits Climate Zone
50mm 2.00 2, 4, 5, 6, 7
70mm 2.5 1,8


THERMOMASS’s greatest strength is the way it places high levels of thermal mass on the inside of the insulated concrete envelope. Doing so causes the diurnal swings to greatly reduce, levelling out discrepancies between peak and trough temperatures and greatly increasing the performance of the building. The bigger the swing, the more dampening effect the mass has. For a more comprehensive understanding of the way THERMOMASS lets your building utilise its high level of thermal mass – read this article.


TYPICAL DETAILING – For information about how various construction elements are constructed in a THERMOMASS building.


Call us regarding your project and how THERMOMASS Makes Concrete Make Sense. For a 5 minute video summary, including thermal bridging testing footage – see the video page.