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RMAX ThermaStar™ is a versatile insulation medium, providing six star solutions for internal and external applications. It has been specifically developed for commercial and high density construction. It can be used in roofs, ceilings walls and floors and sub floors.

The following table represents typical R values using ThermaStar™28 in different building systems.


System Thickness Summer R value Winter R value
Concrete roof 30mm 2.5 2.3
Concrete roof 50mm 2.9 3.1
Concrete floor 30mm 2.2 2.5
Concrete floor 50mm 2.8 3.0

Interior Floor Application Exterior Roof Application