Home Repair: How to Flatten Basement Air Ducts to Gain Space

The easiest way to gain valuable headroom

Required Tools for this Project

Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.

  • Hammer
  • Spring clamps
  • 4-in-1 screwdriver
  • Drill/driver, cordless
  • Stepladder
  • Pliers
  • Safety glasses

You'll also need leather gloves.

Required Materials for this Project

Avoid last-minute shopping trips by having all your materials ready ahead of time. Here's a list.

  • New thinner ducts
  • Drive couplers
  • S-slips
  • Duct hangers
  • Aluminum duct tape or duct-sealing caulk

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