Home » DIY FAQs » Building Materials » Insulation » Can I stack insulation to get a higher R-value?

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Yes. For example, two R-19 batts can be stacked on each other to create R-38 insulation. You also can add loose-fill insulation on top of a bottom layer of batts.
 

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DIY Encyclopedia

  1. Batt Insulation
  2. Loose-Fill Insulation
  3. Duct Insulation
  4. Encapsulated Insulation
  5. Roll Insulation
  6. Rigid Insulation
 

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