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Tempered Glass Fullview Air Sealed Masonr...
This custom fireplace door 
features tempered glass panels and no 
center bar for those who don't 
Starting at:
Free shipping|Custom Made
Ceramic Glass Ultimate Seal Masonry Firep...
This air sealed fireplace 
door prevents air infiltration, 
eliminates back smoking at negative 
Starting at:
Free shipping|Custom Made
Ceramic Glass Custom Size Supreme Air Sea...
This air sealed fireplace 
door eliminates back smoking at 
negative pressure levels. No more 
cold dr... 
Starting at:
Free shipping|Custom Made
Ceramic Glass Fullview Air Sealed Masonry...
This custom fireplace door 
features ceramic glass panels and no 
center bar for those who don't 
Starting at:
Free shipping|Custom Made
Carolina Masonry Fireplace Door
The Carolina glass fireplace 
door is a versatile option that 
comes in many beautiful finishes. 
Starting at:
Free shipping|Custom Made
Appalachian Air Sealed Masonry Fireplace ...
The air sealed Appalachian 
ceramic glass fireplace door is 
energy saving and is made of sturdy 
14 g... 
Starting at:
Free shipping|Custom Made
Colridge Air Sealed Masonry Fireplace Door
Our Colridge Air Sealed 
masonry fireplace glass door can be 
upgraded with ceramic glass. That 
will ... 
Starting at:
Free shipping|Custom Made
Tempered Glass Supreme Standard Size Air ...
The Supreme Air Sealed 
Tempered Glass Fireplace Door by 
Wilkening Fireplace lets you burn with 
the ... 
Starting at:
Free shipping|Custom Made
Carolina Arch Conversion Masonry Fireplac...
The versatile Carolina Arch 
Conversion replacement fireplace door 
provides an arched opening look t... 
Starting at:
Free shipping|Custom Made
Essex Masonry Fireplace Door
If you are looking for a 
sleek and stylish door, check out 
the Essex glass fireplace door 
with his ... 
Starting at:
Free shipping|Custom Made
Tempered Glass Arch Fullview Air Sealed M...
This arch air sealed 
tempered glass fireplace door 
eliminates back smoking at negative 
pressure lev... 
Starting at:
Free shipping|Custom Made
Arch Supreme Air Sealed Masonry Fireplace...
This arch air sealed ceramic 
glass fireplace door eliminates 
back smoking at negative pressure 
Starting at:
Free shipping|Custom Made
Legend Masonry Fireplace Door
The Legend wood burning 
fireplace glass door features a laser 
cut steel frame with clean 
lines. Loo... 
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Free shipping|Custom Made
Cascade Air Sealed Masonry Fireplace Door...
The air sealed Cascade 
custom fireplace door with ceramic 
glass option can be made to fit 
any mason... 
Starting at:
Free shipping|Custom Made
Normandy Eco Tite Masonry Fireplace Door ...
The rope gasket and tempered 
glass in the Normandy Eco Tite 
masonry fireplace glass door helps 
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Free shipping|Custom Made
Ceramic Glass Supreme Standard Size Air S...
The Supreme Air Sealed 
Ceramic Glass Fireplace Door by 
Wilkening Fireplace lets you burn with 
the d... 
Starting at:
Free shipping|Custom Made
Arch Conversion Legend Masonry Fireplace ...
The Legend Arched Conversion 
glass fireplace door is laser cut 
from a single sheet of 3/16" 
steel t... 
Starting at:
Free shipping|Custom Made
Heirloom Air Sealed Masonry Fireplace Doo...
The Heirloom glass fireplace 
door is a revolutionary design 
that bridges the gap between 
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Free shipping|Custom Made
Cascade Cabinet Arch Masonry Door With Ai...
The Cascade arched masonry 
fireplace door comes as a gasketed 
enclosure option for ceramic glass, 
Starting at:
Free shipping|Custom Made
Allegheny Air Sealed Masonry Fireplace Do...
The aged steel look of the 
Allegheny replacement fireplace door 
complements any decor! Features a r... 
Starting at:
Free shipping|Custom Made
Forged Steel Laramie Arched Air Sealed Ma...
The Forged Steel Laramie 
arched masonry fireplace doors 
comes with gasketed doors. This 
ceramic gla... 
Starting at:
Free shipping|Custom Made
Denali Air Sealed Masonry Fireplace Door
The Denali air sealed 
fireplace door with ceramic glass 
features a keystone applique and 
Starting at:
Free shipping|Custom Made

Air Sealed Masonry Doors

We all love a cozy fireplace to warm us up during the cold season or just to bring ambiance to space. Air sealed glass doors for fireplaces are not only elegant but efficient in that they eliminate excess air loss from your home through your chimney. The air sealed door is made with tempered or ceramic glass. Each door is custom built to provide maximum viewing area of the fire. By eliminating the center bar, the door retains the Full View of the fire.

Remember, when you have a fire, you will need oxygen. Oxygen is a major component in your fireplace that will keep your fireplace blazing, without oxygen, you do not have a fire. Air sealed doors are made to help make your fire more efficient and keep air from coming out of the fireplace not to keep the air from going in. 

Fire safety codes require a 1/8 inch gap around a fireplace door for proper airflow and to prevent overheating. So while our air sealed enclosures are not truly 100% airtight, it's the pre-installed fireplace door gasket seal around the edge of the doors that prevents them from being drafty. We have custom sizing available to ensure that your wood-burning fireplace glass door fits snuggly in your firebox for optimized efficiency.

Some of our energy-efficient enclosures come with tempered safety glass, while others offer the added bonus of ceramic glass door panels! High-temperature pyroceram allows you to burn a fire while your fireplace doors are shut, without having to worry about the glass panes breaking under extreme heat exposure.

Remember that if you decide to go with the tempered glass, that you will need to have your fireplace doors OPEN while there is fire lit. You can close the doors once the fire has gone out. Tempered glass cannot handle the heat like ceramic glass can. If you close your tempered glass doors, they will shatter.

Finish colors, various methods of spark protection, and damper options are also available when selecting one of these air seal enclosure with a fireplace door deal. Our high-quality steel doors are American made, and free shipping is included with all of our products. 


Recently, we had some customers ask if they could install an airtight ceramic glass door on a see-through fireplace in order to burn a fire with the doors closed. The answer is yes. Ceramic glass has a higher heat rating than tempered glass. It does allow you to burn a fire with the doors shut without shattering from the extreme temperatures generated from within the firebox. Tempered glass fireplace doors will shatter if closed while the flames are going. In addition, the gasket seal around the edges of our ceramic glass doors prevents the enclosures from being too drafty. 

As a safety precaution related to this case study, remember that you should always burn a fire with open doors if using tempered glass doors. You may keep your doors closed ONLY if you are installing ceramic glass fireplace doors. We highly recommend purchasing the same type of glass fireplace enclosure for both sides of a see-through application.

Please Note:

The air sealed doors can NOT be installed on a factory-built fireplace, like the prefab black steel fireboxes. You can ONLY install the air sealed doors on a masonry fireplace.


Are sealed fireplace doors airtight?

  • When you hear the term “airtight,” what is really being conveyed here is that the masonry fireplace door has pre-installed gaskets (or seals) around the inside of the door frame, as well as around the glass. While no fireplace door is 100% airtight, the gaskets do help to achieve a state of minimal air loss. 
  • As of 2016, an update to the International Building Code was made, stating that newly constructed masonry fireplaces need to have either a tight-fitting flue damper or gasket fireplace doors in order to operate. This new code is beneficial for a couple of reasons:
  1. The sealing around wood burning fireplace glass doors keeps heat from the home escaping up the chimney.
  2. Prevents drafts and woodland creatures from coming into the home.
  • Glass enclosures that do not have gaskets can still be every bit as efficient as an airtight fireplace door. A custom-fit door that is properly installed is your best bet for assuring reliable, energy-saving performance. 

What is pyroceram glass?

  • Also known as ceramic fireplace door glass, pyroceram glass is a high-temperature material made from ceramic. It offers a beautiful yet subtle amber tint and is preferred in heating applications that produce extreme temperatures (in excess of 1000°F). One of the advantages of having ceramic glass fireplace doors is that the homeowner can leave the enclosure doors shut while the fire is burning without having to worry about the glass shattering from heat exposure. 

How does the damper close/ seal on the Supreme Air Sealed Masonry Fireplace Door?

  • The damper is a slider that moves from left to right. This helps to regulate the airflow when a fire is lit. The damper cannot be made air sealed otherwise you couldn't slide it. 

How do I know if my damper is open?

  • The easiest way to check your damper is to take a peek at it. You will need a flashlight to shine up your chimney to see if it is open or closed. If you cannot see straight through then your damper is closed.

Is it necessary to purchase a ceramic glass door for each side of the see-through fireplace, or can one opening be closed off with a single pane of ceramic glass or masonry?

  •  While two airtight ceramic glass doors may seem like a substantial investment, it is the safest choice for this situation. Fire safety codes require proper airflow and draw of the fireplace and chimney. As mentioned, these codes also require a minimum 1/8 inch gap around the fireplace door (which our airtight enclosure does abide by) to prevent overheating. People with see-thru fireplaces, usually buy a door for each side.

Is it better to keep the fireplace doors open or closed?

  • This depends on the type of doors you have on your fireplace. If you have tempered glass, then you will need to leave your doors open while a fire is burning. Tempered glass will shatter if closed against high temperatures. If you have ceramic glass on your doors, you may leave them closed or open to your preference. Ceramic doors can withstand the high temperature coming from your fireplace. We have both options available with our air sealed masonry doors.

Do fireplaces make a house colder?

  • Depending on the fireplace, the type you have, and what accessories you have on your fireplace will decipher how the heat is distributed. The air sealed masonry doors are made to keep the cold air out that is coming from your fireplace. The air sealed doors are also in place to help distribute your heat more efficiently. There are other measures you can take as a fireplace owner to allow your heat to disburse more evenly. One way to do that is to get the air sealed doors. Another is to install a fireplace hood. A fireplace hood will move the heat from going up to pushing the heat outward. Lastly, another great way to avoid a drafty fireplace is by utilizing a draft blocker. They are made to use when your fireplace is not in use and you want to keep the cold air out.

Is an air-sealed door still required per ICC building code?

  • No. The ICC building code stating that a gasketed door is required recently changed. It is no longer required to have a gasket-sealed door.