How to keep the centre of a bed frame from sagging

Our bodies recuperate and heal while we are sleeping. The biggest key to achieving a good night's sleep is sleeping on a comfortable and supportive bed. The best mattress and box springs in the world cannot provide comfort if they are not properly supported by a good bed frame. Most bed frames have 6 legs around the edges and none in the middle. Fortunately, fixing a bed frame that is sagging in the middle is both quick and inexpensive.

Measure the distance between the floor and the edge of the bed frame.

Transfer the measurement from Step 1 to your board. Measure down one edge of the board with a tape measure. Place a pencil mark at the proper length.

Repeat Step 2 down the other edge of the board, on the same side.

Place a ruler directly under the two pencil marks. Draw a line between the two marks, making an exact line on which to cut.

Cut the board on the pencil line, using a saw.

Place the cut board directly under the middle of the bed frame's centre support beam.


Some bed frames may have one support leg in the middle. In this instance, cut two pieces of board. Place one on each side of the middle leg, under the middle support beam.

Things You'll Need

  • Board, 1.2 by 1.2 m (4 feet by 4 feet)
  • Measuring tape
  • Saw
  • Pencil
  • Ruler
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About the Author

Kimberlie King lives in Colorado and has been writing professionally since 2009. The bulk of her articles have been written as an independent contractor for many different online publications and magazines. King has a vast array of writing expertise including home, health, gardening, decorating and DIY projects.