How do you insulate around 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 I use expanding foam around a fireplace?

Fire Safety

To keep a fireplace working properly, never use spray foam on the inside of the fireplace or the chimney, or on the damper. On the exterior surfaces of the fireplace and chimney, spray foam is fine because these surfaces won’t get hot enough to melt it or to cause any damage.

Can you insulate around a fireplace?

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.

What is behind a gas fireplace?

Typically found inside a gas fireplace includes the media such as logs, a burner tray, control unit and an ignition system made up of individual components such as a thermocouple. Depending on the model of gas fireplace, the media may be sat on a combustion matrix.

Should there be insulation around a gas fireplace?

Importance of Insulation

Placement of insulation for a fireplace is critical to the safety of your home. Insulation around a gas fireplace metal chimney can catch on fire inside the walls or attic where it will continue to burn until it might be too late to extinguish it to prevent serious damage to your home.

Are gas fireplace inserts drafty?

However, with vented gas logs cold drafts are quite common. The only reason why your vented gas fireplace is drafty is because of the gas logs being installed. Chances are before you had gas logs installed your fireplace was a wood burning fireplace.

Can you insulate behind a fireplace?

Install batt insulation

Now it’s time to install the insulation between the studs in the back of the fireplace chase. The studs will go behind the fireplace but before the drywall. Secure the insulation in place using your staple gun.

How do you fill gaps around a fireplace insert?

Adhesive Strips

Available at many hardware and home improvement stores, small rolls of fiberglass-based stripping can be cut to size and applied in noticeable gaps between an insert and the masonry on the outside face of a fireplace, underneath the insert.

How do I fill the gap in my fireplace?


  1. Remove the Loose Mortar. Remove the fire grate from the fireplace and use a fireplace brush and dustpan to sweep out the firebox. …
  2. Clean the Mortar Joints. …
  3. Fill the Joints With Caulk. …
  4. Smooth the Caulked Joints. …
  5. Cure the Caulk.

How do I know if my gas fireplace is vented?

Turn on the fireplace. If the flames reach above the gas logs and the look like a wood burning fireplace, then the logs must be vented. If the flames are small, an have a blue cast, the fireplace is vent-free.

How is a gas fireplace vented?

In a direct vent gas appliance, fresh air is drawn from the outdoors into the hearth unit, and expelled air is sent outside via a flue system that terminates outside. Most direct vent gas fireplaces are vented to the outdoors horizontally (through the wall), but they can also be routed vertically (through the roof).

Are gas fireplace inserts worth it?

A gas insert can easily serve as the primary source of heat for your home, while using 50% to 90% less gas than gas logs and up to 75% less gas than a gas furnace.

What is the average cost of a gas fireplace insert?

Gas fireplace inserts are installed in pre-existing, wood-burning fireplaces, making the overall cost far lower than installing an entirely new system. The insert itself will cost around $1,200, with labor costs running between $500 and $3,500 depending on the complexity of the job.

What do I need to know when buying a gas fireplace insert?

Quote from the video:
Quote from Youtube video: The width at the back. The height of the opening at the front the height of the opening at the back. And finally the depth from the opening to the back wall. Next pick some photos of your fireplace.

What is difference between gas fireplace and gas insert?

Gas fireplaces are very similar to gas inserts. They are made the same way, with the box-within-a-box setup. However, the difference between gas fireplaces vs. gas inserts is that a built-in gas fireplace doesn’t require an existing fireplace or chimney.

Do gas fireplace inserts need to be vented?

Gas fireplaces need to be vented by a chimney or other vent, unless you have a ventless gas fireplace. Ventless gas fireplaces do not need ventilation and are designed to burn cleaner with a lower flame that will not smoke. If your gas fireplace is not a ventless model, then it will likely need a vent of some sort.

Do Vented gas logs produce heat?

A vented gas log must be used in a regular fireplace, designed to burn a wood fire. Vent-free gas logs can be used in a regular fireplace or can be used in a prefabricated vent-free firebox that has no chimney. Some vented gas logs will give up to 25,000 BTU’s of heat but most don’t give hardly any heat.

Do gas inserts heat well?

Gas fireplaces rely on consistent combustion to produce real flames and keep the fire burning for long periods of time. Overall, gas fireplaces are highly efficient when it comes to heating a room. Once a fire has been burning for some time, it’s likely to heat a room rather quickly.

How do I get more heat out of my vented gas fireplace?

Quote from the video:
Quote from Youtube video: There are a variety of different fireplace heaters even those that you can use with gas logs. You could also add a blower to your fireplace as they increase the fireplaces heat output significantly.

Are vented gas fireplaces safe?

A vented gas fireplace is so safe because of the sealed combustion behind its glass. You cannot remove the glass or get access to the flames for the vented gas fireplace to function properly. This might be an advantage to those with small children or pets, but it could also be considered a negative by other people.