How to Install a Gas Fireplace

Complete DIY instructions for installing a direct-vent gas fireplace

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
  • Brad nail gun
  • Cordless drill
  • Circular saw
  • Caulk gun
  • Drywall sander
  • Mud pan
  • Level
  • Drill bit set
  • Dust mask
  • Hearing protection
  • Knockdown knife
  • Knee pads
  • Drywall saw
  • Rasp
  • Roller tray
  • Roller sleeve
  • Sanding block
  • Paintbrush
  • Utility knife

Sanding pole, screw gun, socket/ratchet set, straightedge, t-square, stud finder, tape measure, tin snips

Required Materials for this Project

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

  • Gas fireplace
  • Stove cement or high temperature silicone caulk
  • Straight pipe
  • 2x10x12' lumber (2)
  • 3/4x4x4' plywood
  • 9" vent pipe
  • 1/2x48x96 drywall
  • Heat shield flashing
  • Interior firestop
  • Metal nail plates
  • Latex caulk
  • Metal drip cap
  • Urethane caulk
  • Corner beads
  • Joint compound
  • 100-grit sand paper
  • Paint or textured finished

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