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  • Steel & Metal Buildings: Airpace Requirements for Reflective Insulation

    Reflective insulation requires an existing airspace on one side of the insulation in order to work properly as a radiant barrier. This airspace may be small but it is essential. Foil insulation used without an airspace, as in under concrete insulation for example cease being a radiant barrier.  You still get some insulation value but it's in the form of a thermal break, not a radiant barrier.

    Tempshield double bubble reflective both or reflective one side products have been tested in various metal building applications and achieved various r-values depending on the installation.

    Please take a look at our metal building insulation airspace page where you can find the required airspace, application, and r-value for all of your barn insulation needs.

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