DIY Network

How to Seal an Attic Duct

Securing existing ductwork in the attic will help with eliminating dust in a house. Learn how to repair a leaking duct and seal it for good with these step-by-step instructions.

More in Remodeling

Materials

  • mastic adhesive
  • aluminum tape
  • nylon ties

Tools

  • paintbrush
  • tension tool
  • plastic squeegee

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