How to Finish a Basement: Framing and Insulating

With special framing and insulating techniques, your basement can be as comfortable as any other room in your home

Required Tools for this Project

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

  • Drill/driver, cordless
  • Hammer
  • Tape measure
  • Caulk gun
  • Level
  • Chalk line
  • Utility knife
  • Hammer drill
  • Circular saw
  • Hearing protection
  • Dust mask
  • Safety glasses
  • Speed square
  • Tool belt
  • Drill bit set
  • Sawhorses
  • Stepladder

A table saw will make ripping the plywood soffits easier.

Required Materials for this Project

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

  • Extruded polystyrene insulation
  • Foam adhesive
  • Construction adhesive
  • Treated 2X4 lumber
  • 2X4 lumber
  • 2X2 lumber
  • 2-1/2 in. concrete screws
  • 1-5/8 in. screws
  • 1/2-in. plywood
  • 3-in. screws
  • Fiberglass insulation
  • 8d nails
  • 16d nails