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Special-Z Inside Fit Prefab Fireplace Glass Door

You may need to remove the track to install the fireplace door, so measure accordingly. You will need to measure the fireplace opening in three different places, both vertically and horizontally to the nearest 1/16". Enter the smallest size into the price calculator.


INSIDE FIT (inside firebox opening)

When the fireplace door is smaller than the opening of the fireplace, and fits inside the fireplace opening. Measure the width and height of the inner steel opening where the fireplace door will fit. This will be the same position that the fireplace manufacturer's door was installed. DO NOT measure the finishing material in front of the fireplace (brick, stone, marble, tile, etc). Always use the exact MINIMUM measurements for both height and width when ordering a replacement fireplace door.


DO NOT make adjustments to sizes, we need the EXACT OPENING size


Size Range For Pricing: Up To 44"W and Up To 26"H


Short description:

   Free Shipping on All Orders Continental United States!  Free Shipping | Fabrication Time 4-5 Weeks For Black & Natural Iron Doors - Other Colors Will Add Another 4 Weeks

INSET DEPTH This is the distance from the face of the zero-clearance fireplace to any existing obstruction inside the opening. The inset depth affects the amount that the enclosure will fit into the opening. For example, the Door frame is 1-1/8” deep. If the inset depth is 1”, the face of the enclosure will protrude 1/8” from the firebox.
If no images are submitted with your order, it will be placed on hold until we receive a photo of your fireplace. Please send your image to [email protected].

Upgrade your existing fireplace with the timeless elegance of The Special "Z" glass fireplace enclosure—an affordable classic, handcrafted in Akron, Ohio, by Thermo-Rite Manufacturing. This stylish enclosure not only enhances your living space but also adds an energy-efficient touch at an economical value.

Crafted from anodized aluminum, The Special "Z" features bi-fold full swing trackless doors, providing a wide viewing space for even the coziest fires. The 3/4" wide frame adds a touch of sophistication to your fireplace.

Transform your living space into a warm and inviting haven with The Special "Z" glass fireplace enclosure. Designed for convenience, this anodized aluminum enclosure is only available as an inside fit. The design allows air space on the sides, top, bottom, or a combination to ensure the same airflow as the manufacturer of the zero-clearance fireplace intended.


Classic Look at an Affordable Price: The Special "Z" offers a classic look without breaking the bank, providing an economical solution for upgrading your fireplace.

Bi-fold Full Swing Trackless Doors: Enjoy a wide viewing space with the convenience of trackless doors, adding both style and functionality.

Anodized Aluminum Construction: Crafted from durable anodized aluminum, The Special "Z" ensures longevity and a sleek appearance.

Wide Frame Design: The 3/4" wide frame adds a touch of sophistication, enhancing the overall aesthetic of your fireplace.

Inside Fit: This enclosure is exclusively available as an inside fit, allowing for easy installation and a seamless appearance.

Air Space for Ventilation: The design allows for air space on the sides, top, bottom, or a combination, ensuring proper ventilation and maintaining the manufacturer's intended airflow for zero-clearance fireplaces.

Standard Finishes: The Special "Z" comes in a timeless Anodized Black finish, adding a classic touch to your fireplace.

Standard Glass: Enjoy clarity and durability with ¼" tempered bronze, clear, or grey glass, backed by a lifetime warranty.

Enhance your fireplace experience with The Special "Z" glass fireplace enclosure—an elegant and practical addition to your home. Turn your living space into a cozy and warm haven with this affordable yet timeless solution.


  • Fireplace Type: Prefab Wood Fireplaces or Prefab Wood Fireplaces Converted To Vented Gas Logs
  • Door Fit: Inside
  • Door Type: Trackless Full-Swing Bi-Fold Doors
  • Frame Width: 3/4"
  • Frame Depth: 1"
  • Material: Aluminum Frame
  • Glass: 1/4" Tempered Safety Glass (lifetime warranty)
  • Glass Tint: Clear | Grey |  Bronze
  • Ceramic Glass: N/A
  • Mesh Door: (Optional)
  • Damper: None
  • Airtight Option: N/A
  • Assembly: Some Assembly Required
  • Mounting: Hardware Included
  • Safety Listing: UL127 | UL907


Manufacturer's Warranty

Thermo-Rite warrants all new glass fireplace enclosures to be free from defects in material and workmanship for a period of five (5) years from the ultimate sale or installation if performed by the dealer. The warranty is void if the damage is due to improper installation or improper operation. Thermo-Rite warrants tempered glass a lifetime to the original owner.

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Last updated on January 9th 2024.



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