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AhaBulb: Stuff Everyone Should Know · ahabulb.com/home-duct-tape

Which product does ENERGY STAR say you should never use to seal ducts?

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  1. Mastic sealant
  2. Metal tape
  3. Duct tape

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References

  1. ENERGY STAR: Duct sealing www.energystar.gov/saveathome/heating-cooling/duct-sealing Checked 2026-10-10.

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