How to fix a sofa bed sagging in the middle when sitting on a couch?

  3 answers
  • Susan Davia Susan Davia on Jan 25, 2019 has this product called seat put it under the cushions

  • Oliva Oliva on Jan 25, 2019

    Most likely, steel springs will need replaced, as well as any hand tying, if applicable.

  • Joni McDonald Joni McDonald on Jan 26, 2019

    I had this problem too. I put a piece of plywood underneath the cushion and now it feels like a brand new couch. It's a cheap fix, too.