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Alternative Mounting Method: Design Specialties Factory Built Fireplace Doors

Alternative Mounting Method: Design Specialties Factory Built Fireplace Doors

Zero clearance fireplace doors by Design Specialties include all of the hardware you will need for easy mounting and installation. Because there are so many manufacturers of factory built fireplaces on the market today that require more than just the standard mounting method, this alternative fireplace door mounting kit is compatible with a large variety of models. This fireplace glass door hardware includes alternative brackets and screws. Fireplace Doors Online believes that this task can be accomplished by virtually any homeowner; however, fireplace door installation can be carried out by a contractor.

Here is the hardware you'll receive in your standard fireplace door mounting kit (left), and the tools needed for installation (right):
  Tools needed for standard mounting method


  • Place a mounting bracket inside the  opening of the fireplace, anywhere a suitable mounting surface is available/provided. The front edge of the bracket should be flush with the face of the fireplace opening (as shown in Figure #1 below - click on picture to enlarge). The brackets can be cut or altered as necessary. 
  • Use your pencil to mark the locations of the bracket slots. 
  • Repeat steps one and two for the remaining 3 brackets.
  • Using a 1/8" drill bit, drill a hole at each marked slot location (there will be 12 altogether, among the 4 brackets)..
  • Place a bracket into position, then use a Phillips screwdriver and the screws provided in your alternative mounting kit to attach the brackets to the fireplace through the slots. See Figure #2 below (click on picture to enlarge).
  • Now it is time to install your new fireplace glass door! Place the door into the fireplace opening, aligning the frame studs (on the backside of the door) with the slot at the top of the alternate bracket. It may be necessary to move the stud up or down slightly in the frame to achieve alignment. To do this, loosen the stud with a 3/32" Allen wrench. Slide the frame stud up or down in order to line it up with the top bracket slot; then retighten the stud. Attach a hex nut to the frame stud to secure the fireplace door (see Figure #3 below - click on picture to enlarge).
Marking bracket slots with a pencilAttaching screwsAttach Frame Stud with Hex Nut through top slot on alternative bracket

Another way to attach the fireplace door to the opening:

  • Attach the brackets to the back of the fireplace door first. Then place the door into the opening. In this case, "tek" (or self drilling) screws are more suitable for installation; however, they are not included with the hardware kit.

Fireplace Door Adjustment:

Fireplace doors come fully assembled and adjusted prior to leaving the manufacturer. However, shifting of the glass doors during shipment may occur. In this case, a quick adjustment to ensure the glass door hang properly may be necessary.

After installing your new Design Specialties zero clearance fireplace doors, check to see how they open and close. Look for gaps at the center, as well as between the glass doors and the frame.

If the gaps in the center are the same, but the tops are not in alignment (See Example #1 below - click on picture to enlarge), you may need to move the bottom frame over to make the tops of the doors level with each other. Loosen the hex or wing nut behind both of the bottom brackets; then shift the bottom of the door over until the glass is adjusted correctly. Retighten the hex or wing nuts.

Gaps between center glass panesGaps between doors & frameUse Phillips screwdriver to loosen & retighten screw in hinge.

If the gap between the glass at the center appears different from top to bottom (See Example #2 above - click on picture to enlarge), a hinge adjustment will be needed. Keep in mind that the gap between the two center glass panes should be approximately 1/8 of an inch. You will need to determine which hinge is out of alignment. Using a Phillips screwdriver, loosen the screw that secures the hinge to the frame (see Figure #4 - click on picture to enlarge). Slide the hinge over slightly and retighten. Check the door and repeat this procedure as necessary. 

Please note:

It is up to the installer (be it homeowner or contractor) to determine the best method of ensuring the fireplace door is mounted securely to the opening. At times, the use of an alternative mounting system (in place of or in combination with standard brackets) may be necessary to achieve the best results.


Last updated on November 5th 2019.

Click on the Add New button below to submit a question about this product. Please ONLY submit product questions. For all other inquiries, please contact us at 1-877-373-6677.


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