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What is the R-Value or R-Rating of Radiant Barrier Foil Insulation?

April 26, 2017barrier foil insulation r-rating R-Value radiant

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What is the R-Value or R-Rating of Radiant Barrier Foil Insulation?

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This will probably surprise you. Radiant Barrier has NO R-Value? Yes, Radiant Barrier by itself has NO R-Value. Radiant Barrier can be attached to some products like Bubble Insulation, insulated sheathing, and radiant barrier decking like TechShield or Polar-Ply. The product will have have the r-value of the bubbles, sheathing or OSB decking, but the Reflective Foil does not actually provide any additional R-Value.