Glossary of Fireplace Door Terms

Glossary of Fireplace Door Terms

AIR SEAL DOORS:
Glass door frames with a gasket used for extra tight sealing of fireplace. Recommended to be used with pyroceram ceramic glass.

ANODIZED ALUMINUM:
Aluminum is a lightweight, yet strong material that can be extruded into many attractive and functional profiles. After the metal is extruded, it is anodized (an electrochemical process that gives the extrusion it's color and durability). The coating on the surface of the aluminum is very durable and will not tarnish, even in salt-air-climates.

ARCH CONVERSION:
Rectangular main frame with arched glass doors. This will give you the look of an arched fireplace door without spending the extra bucks.

ARCHED DOORS:
Fireplaces with an arch top will need a custom made arched fireplace door based on a template of the opening for a perfect fit. Longer lead time due to templating.

ARCH TOP ADD-ON:
Arched top added to rectangular main frame to keep cost down.

BI-FOLD GLASS DOORS:
Two operating glass doors, each divided into two panels allowing the doors to fold in center.

CABINET GLASS DOORS:
Two solid operating glass doors also called twin doors.

CABINET MESH:
Two solid operating mesh doors. Better performing than mesh curtain screens.

CENTER BAR:
Glass doors are framed in the center as well as the outside edges.Mostly used when ceramic glass is used to stabilize door frame.

CENTER BAR IN CENTER ONLY:
In the case of bi-fold glass doors; glass doors are framed in center of doors but not in the center of each folding panel.

CENTER BAR ON ALL PANELS:
In the case of bi-fold glass doors; glass doors are framed around each folding panel for a old fashioned traditional look.

CLEARVIEW:
No center frame on glass doors.

COMPLETE OVERLAY:
Main frame and glass door frames completely covered in overlay. So underneath the overlay there is a metal steel frame, that will be covered with and overlay. Overlays are formed channel irons, brass, copper, pewter etc. that snugly fit over frames.

CURTAIN ROD:
A rod mounted inside screen door at top of main frame to allow the use of hanging mesh.

CUSTOM SIZES:
Sizes made to custom specification with 4-6 weeks production time.

DAMPER:
The mechanism that allows combustion air to be regulated into the firebox. There are several types of dampers available for fireplace doors, hidden, slotted and filigree.

DECORATIVE DOOR DESIGN:
A metal pattern welded to glass door frames or mesh door frames on the outside of glass or mesh.

EXTRUSION:
Aluminum profile shaped with a die under pressure

FILIGREE:
Decorative punched design available in top and bottom panels in selected finishes.

FINISH:
Color and texture of enclosure.

FINISHED SIZE:
The Outside dimensions of the main frame.

FIXED PANEL:
A single glass door that is hinged on both sides, making the glass door stationary while allowing it to still be lifted off for cleaning, etc. This is a great open for smoking see-thru fireplaces.

FLANGES:
Welded perpendicular to the back of the main frame. Used for mounting on inside fit enclosures or to help cover gaps on an uneven fireplace. Also, hearth flanges may be used to support an enclosure in the case of a fireplace opening that is raised above the hearth.

GLASS DOOR STILES:
Door stiles framing around the glass and are usually around 1" thick by 3/16" deep.

GATE MESH DOOR FRAMES:
The 3/8” width x 1/4” depth framing around the mesh.

HANDLES ON CENTER BAR:
Some of the doors allow handles to be mounted vertically on center bar 1½” above vertical center.

HARDWARE:
Hinges and handles.

HEAT RESISTANT CLEAR FINISH:
To prevent tarnish all solid brass and plated brass finishes have a coat with clear enamel which is baked on at high temperatures, forming a glass like surface.

KEY LOCK:
Lock installed on glass doors to protect children from injury or fireplace from being tampered with (most commonly used on fireplace enclosures installed in around children or in public places).

KEYSTONE CUTOUT:
Cutout on top panel of main frame to fit around keystone in fireplace.

LINTEL
Metal bar located at the top of a masonry fireplace which is used to support brick work above.

LOUVER DESIGN:
Decorative panels inserted into the main frame to cover the louvers of a metal firebox.

MAIN FRAME:
The four sided frame on which the glass door frames are mounted.

MESH CURTAIN:
19 Gauge tempered steel woven wire mesh that has been darkened to provide a black finish is most common used on glass fireplace doors. Black mesh curtain is easier to see through, which permits better visibility of a burning fire. Mesh curtains provide excellent spark protection and allow some regulation of heat by opening and closing.

MITERED CORNERS:
Corners of main frame cut at 45º angle ("picture framed").

MOUNTING HARDWARE:
Everything you need to install the fireplace door.

OVERLAY FINISHES:
A solid decorative metal overlaid on a base frame.

PLATED BRASS:
Brass is an alloy of copper and zinc and the color is determined by the amount of copper used.

PLATED FINISHES:
Electroplated finish over a base metal.

POWDER COAT FINISH
Electrostatically applied and baked on for a durable finish. Polyester or polyurethane baked on durable finishes.

PRODUCTION TIME:
The amount of time from when the order is placed until the order is ready for shipment. That time does not include transit time.

PYROCERAM CERAMIC GLASS:
Specially treated glass to resist high temperatures, allowing the glass doors to be closed. Withstands heat up to 1380 degree. Ceramic glass brands such as Pyroceram, Robax, or Neoceram.

REPLACE GLASS WITH MESH:
Mesh panels are inserted in standard glass door frames in place of glass panels.

RISER BAR:
A piece of u-profile that sits underneath and attaches to the bottom of a glass door enclosure. Can be used to compensate for a raised hearth. Available in several heights and any lengths.

SINGLE MESH:
One solid operating mesh door, like a gate.

STANDARD SIZES:
Sizes that glass and parts are stocked not metal parts, allowing for shorter production time.

TEMPERED SAFETY GLASS:
Offered in Clear, Bronze and Grey. Some companies offer a smoked version as well. Tempered glass is 4 times stronger than regular glass and withstands heat up to 400 degrees F. Has to be cut to size and then tempered, can not be reworked afterwards.

TRIM ON MAIN/DOOR FRAME:
A narrow overlay metal angle glued to the outside edge of the main frame.

ZERO-CLEARANCE
A factory-built fireplace. Factory-Built Fireplaces, also called Zero Clearance (ZC) Fireplaces, require special glass doors. The "Zero Clearance" name comes from the fact that these fireplaces can be built with "zero clearance" to combustible components of the house. The fireplaces are designed to use cooling air between the firebox and the home. The glass doors are designed to facilitate the cooling air. Most zero clearance fireplaces come with standard glass doors from the manufacturer. In most cases, the doors are quite inexpensive, and it is reflected in their operation, quality and looks. Fireplacedoorsonline.com doors are extremely high quality at a very moderate price. The difference in the appearance of your fireplace will be incredible.

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