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AhaBulb: Stuff Everyone Should Know · ahabulb.com/home-air-seal-first

In the attic, what does EPA recommend you do first?

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  1. Insulate first, then air seal
  2. Air seal first, then insulate
  3. Skip air sealing, since insulation stops drafts

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References

  1. ENERGY STAR: Attic insulation project www.energystar.gov/saveathome/seal_insulate/attic-insulation-project Checked 2026-10-10.

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