Perfect Trim on Doors, Windows and Base Moldings

Tricks for getting tight-fitting joints on door and window casings and on base moldings.

Required Tools for this Project

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

  • Miter saw
  • Air compressor
  • Air hose
  • Brad nail gun
  • Coping saw
  • Combination square
  • Dust mask
  • Hearing protection
  • Safety glasses
  • Utility knife

Required Materials for this Project

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

  • Trim
  • Molding
  • Shims
  • Glue