SEALFOAM 4X10 5mm Reflective Insulation Roll Foam Core Radiant Barrier Foil Wrap

WHERE TO INSULATE?. INSULATION + RADIANT BARRIER + VAPOR BARRIER + SOUND BARRIER. R-value up to 15.67 ( with one layer), up to 21.10 ( with two layers). Both sides reflects 95% of the radiant heat.

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