How to Replace Foam Padding in Sofa Cushions

Over time and with extensive use, sofa cushions begin to lose their shape, making them less comfortable and giving them a sagging appearance. You don't need to purchase a new sofa if the cushions have become deflated, simply replace the foam padding to breathe new life into the cushions. Replacing sofa cushion foam padding will save you money and restore comfort to your favorite furniture.

Tape measure

Instructions

- 1
  Remove the cushion from the sofa. Unzip the zipper on the back of the cushion and pull out the existing foam padding. Lay the cushion cover on a flat surface.
- 2
  Lay a tape measure across the cushion from one side to the other to determine the width of the cushion. If the cushion has piping, measure from piping to piping. Add 1/2 inch to the width of the cushion cover.
- 3
  Measure the length of the cushion by laying the tape measure across the cushion from front to back. Add 1/2 inch to the length of the cushion.
- 4
  Measure the depth of the cushion by laying a tape measure from inside seam to inside seam. Add 1 inch to the depth of the cushion.
- 5
  Purchase a new foam cushion insert that is equal to the width, length and depth of the sofa cushion cover. Purchase the foam from an upholstery or furniture store.
- 6
  Place the new foam on a flat surface. Place the sofa cushion cover over the new piece of foam. Zip the cushion cover closed and put the cushion back on the sofa.

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