How to Replace Sofa Legs

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Most sofas have legs that are simple to replace and easy to find at any home improvement center or online outlet. You may be surprised to find the variety available--from basic tapered wood to stylish art deco. Not only can you update the style of the couch, but you also can adjust the height to enhance comfort.

Things You'll Need

  • Replacement legs
  • T-nuts or T-squares (if needed)
  • Screwdriver (if needed)
  • Gently tip your couch backward until the back is on the floor, and the bottom is exposed.

  • Remove the legs. The most common leg installation is the hangar bolt style, where the screw sticks out of the leg. To remove, grasp the leg, and unscrew it counterclockwise.

  • Check the t-nut for damage. The t-nut is a locknut embedded in the sofa frame where the hangar bolt on the leg is attached. It can become stripped or damaged over time, or the hole it is inserted into may widen, causing the t-nut to loosen. If the t-nut is damaged or loose, you have two choices: Pry out the old one and hammer a new one into the same place, or install a t-plate, which serves the same function but has a square plate with anchor screws at each edge for added stability if the wood has been damaged.

  • If the t-nuts are undamaged, simply screw in the new legs and set the couch upright.

Tips & Warnings

  • European sofas often have metric hardware. While most American sofas use a standard size, 5/16-inch diameter, the size of the t-nut must match the size of the hangar bolt, so be prepared to change both the leg and the t-nut if switching to or from a European style. A less common sofa leg style is the screw-in leg, characterized by holes that go from the bottom of the leg through to the wood frame. Use a screwdriver to remove and replace this type of leg. If the sofa legs are difficult to unscrew, try spraying the connection with a little WD-40.
  • If your sofa has decorative wood, nailhead, or metal trim, protect a hard floor with a blanket before tipping the couch to prevent scratches.

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