Things You\’ll Need
Sanding machine or hand sander
Miter saw (optional)
Foam or cotton insulation
Fabric material (your choice)
6 small 1/2 inch thick 12 inch wide plywood planks
12 1/2 inch screws
Convert a queen headboard to a king with wood side additions.
If you have a queen-sized headboard and a king-sized bed you have a bit of a problem on your hands. A king-sized bed is about 16 inches wider than your headboard, leaving major hang-over. But there's no need to panic and run to the furniture store — work with what you have. You obviously can't cut the bed so you have to work with the headboard. Fix this problem by adding something extra to each side of the headboard.
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Place the headboard behind the bed and get an exact measurement of the amount of hang-over you have between the two. Take for instance a deficit of 16 inches on the headboard. Measure the depth (distance from the wall to the bed) and height of the headboard as well.
Visit your local hardware or craft store to find two planks of wood for either side of the headboard. So if the overhang is 16 inches, you need two eight-inch wide planks. Find planks that are about as tall and deep as the headboard.
Sand with a sanding machine or hand sander to smooth down the rough edges of each plank. If desired, use a miter saw to cut a shape in the top of each plank, such as a round curve, according to your preferences.
Wrap each wood plank with foam insulation or cotton sheaths and secure it in place with a staple gun.
Cut fabric material of your choice, such as leather or a patterned cotton fabric, to cover the planks. Cut the material so that it is the width of the plank times two plus about six more inches. The height is the height of the plank plus about six more inches. So in this case it is 22 inches wide (eight times two plus six) and assuming your finished plank is 48 inches tall, the length of the fabric is 54 inches. This allows for plenty of room to wrap it around the plank properly.
Cover the plank with your fabric material and secure it in back with your staple gun. Position your headboard face down on the floor with the two planks on either side.
Place three small plywood planks so that they bridge one wooden plank with the main headboard. Screw the planks in place then repeat for the other large wooden plank. Lift the newly modified headboard and slide it behind the bed.
If your headboard is made of steel or iron skip the last step. Simply position the headboard at the middle and slide the two side planks in on either side. Push the bed and mattress back to hold them all in place.
Some headboards float, meaning that they don't affix to the bed frame. But if the headboard attaches to the bed, insert your king-sized frame screws to the outer wooden planks on either side instead of the headboard.