Step 3: Mark for screw holes

Marking for screw holes.
Photo: Kolin Smith
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Carefully fit the door into the firebox opening, making sure not to scratch the finish. Align the unit snugly into the opening.

Hang a droplight inside the firebox to light your work.

Holding the unit in place, reach inside to mark where the bottom brackets meet the floor of the firebox. Use a thick marker, such as a Sharpie, and mark through the grooves in the brackets.
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    Tools List

    • droplight
      Droplight
    • Phillips screwdriver
      Phillip's head driver
    • drill
      Drill/driver
    • hammer
      Hammer
    • gloves
      Gloves
    • socket wrench
      Socket wrench
    • needlenose pliers
      Pliers

    Shopping List

    GLASS DOOR KIT

    Comes with everything you will need for the installation, including all brackets, screws, anchors, and insulation. [BR] Many doors come in standard sizes, and larger distributors keep popular sizes in stock. Otherwise, you will need to order the door, which can take up to eight weeks. [BR]Measure the size of your firebox opening, both horizontally and vertically. Make sure to measure in a couple of places and note the smallest measurement for each so the door will slide into the space. Also measure the width and height of your surround between any protruding parts of the mantel. A narrow surround may require a smaller door to accommodate the overlap at the firebox edge.