How do you stop a cold draft on a gas fireplace?

One way to help minimize the draft is to install glass doors on the front of your fireplace opening. These glass doors will still radiate heat throughout the room, but will not allow the open flue to let in the cold draft. Another great solution for preventing these drafts is to install a direct vent gas insert.

Can I insulate around gas fireplace?





Importance of Insulation

To prevent cold air from seeping into your home from the outside, the gas connection is one of the only places where you can add insulation safely around your fireplace.

How do you insulate a fireplace with drafts?

Fireplace 101: 6 Ways To Seal Your Fireplace

  1. Option #1: Inflatable Chimney Balloon.
  2. Option #2: Fireplace Cover or Door.
  3. Option #3: Insulating foam board.
  4. Option #4: Specialized Fireplace Damper With Rubber Seals.
  5. Option #5: Drape of Plastic or Insulated Magnetic Fireplace Cover.
  6. Option #6: Thin Slab of Stone.

How do I stop the cold air coming from my fireplace?





Keep cold air out

Along with the common throat damper located just above the firebox, some homeowners add a top-sealing damper at the top of the chimney to double their protection. Another great way to block cold air is with a chimney balloon or plug.

How do I stop a draft fireplace insert?

To stop a fireplace draft close the damper between fires, or use a form of draft stopper such as a chimney balloon or draft excluder if a fireplace doesn’t have a damper. The damper must be opened, or the draft stopper removed, before any fire.

How do I make my fireplace less drafty?

7 Other Ways to Fix a Drafty Fireplace

  1. Check the seals around your flue damper. …
  2. Insulate your chimney. …
  3. Install a heat-exchange system. …
  4. Replace the damper. …
  5. Consider a chimney cover or cap. …
  6. Consider a fireplace insert. …
  7. Have your chimney inspected by a certified chimney sweep.


What kind of insulation do you use in a gas fireplace?

Apply insulation (batt or spray foam) within the framing of the wall up to the ceiling or roof line. Install a thin structural sheathing material (e.g., drywall, rigid insulation, lightweight steel or aluminum sheeting). Bend the liner at the corners or seal seams with a bead of adhesive.

Can you put insulation around a fireplace insert?

Insulating a Fireplace Insert



A fireplace insert is generally more energy efficient than a traditional fireplace, but still requires insulation. Insulation should be tucked around all sides of the firebox and the flue.

Why is there a draft from my gas fireplace?

Cold air comes from the gas fireplace when there’s a flue or air intake in the firebox. This is designed to maintain airflow but can lead to cold air coming in. To fix this, find the flue in the firebox, inspect the clamp, and remove it. Now close the flue to make sure air does not come in.