How to Add a Knob to Bi-Fold Panel Doors
A bifold door is either flat, or a panel door. A panel door has a top, middle and bottom rail, which are horizontal door sections that hold the panels between them. After you hang bi-fold doors, complete the installation by adding the doorknobs, also called the bi-fold door pulls. These are the handles on the doors that you grip and pull to fold the door out, opening it up. Use a different process to add the knobs on bi-fold panel doors, as opposed to bi-fold flat doors. Does this Spark an idea?
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Things You'll Need
- Straight edge
- Pencil
- Power drill
- 3/16-inch drill bit
- Screw
- Phillips screwdriver
- Door knob
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Instructions
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Position a straight edge that is long enough diagonally across the door's middle rail, extending from corner to corner. Mark a line on the door -- using the straight edge as a guide -- that crosses the middle of the middle rail. Use a pencil to draw the line.
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Switch the straight edge to the opposite corners, positioned diagonally across the middle rail. Mark a similar line on the door across the middle of the rail, using the pencil.
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Install a 3/16-inch drill bit into a power drill. Drill a hole through the spot, using the drill, where the two diagonal lines intersect, which marks the center of the middle rail. Drill the hole completely through the door.
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Insert a screw through the hole, from the interior side of the door. Hold the screw head steady, using a Phillips screwdriver, and thread the doorknob onto the screw from the other side of the door, until the knob is tight.
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