How To Fix Sagging Sofa: 3 Proven Solutions To Do

If you don’t know how to fix sagging sofa at home, you can consider three options. They include reviving the cushions themselves, reinforcing the frame, or replacing its parts. For a more detailed discussion on fixing sofa cushions, please read our separate guide about this issue. 

While it’s expected that the cushions are the culprit of a sagging sofa, it’s also worth checking its springs and base. This article will discuss all these sofa parts so that you can repair the couch accordingly. So without further ado, let’s restore the structure of your sagging couch. 


How To Fix Sagging Sofa

How To Fix Sagging Sofa At Home


Option 1. Revive the cushions

You can restore a sagging sofa by adding filler onto the cushions or replacing the cushions altogether. First, open the cushion covers according to their design and inspect the quality of the filling. Some fillers can flatten or clump over time, so you need to stuff new materials to reinstate the sagging sofa’s structure. 

You can use batting or even polyester fiberfill with the existing foam inserts that lost their plushness. Restuff the cushions with the fillers to place underneath the existing foam inserts. But if the current foam inserts have crumbled, it’s much better to replace them altogether. 

You only need to purchase the foam from the store and cut it according to the size of your sofa cushions. Be sure to use inserts that are meant for furniture to ensure that they will last long. Then, remove the current foams from the sofa cushions and replace them with the new inserts. 


Option 2. Support the sofa cushions with plywood

You can also fix a sagging sofa with plywood. Plywood is a popular DIY remedy for sagging mattresses, and it will also help make your couch supportive again. The idea is to improve the sofa’s base to push back the dent on the cushions and help with the weight distribution during usage to prevent sagging later on. 

You have to remove the cushions on the sofa to reveal the base of the frame. Take the measurements to know what size of plywood you’ll need and insert it into the sitting area of the sofa frame. However, remember to cover the plywood with some duct tape so the cushions won’t get damaged when you put them back over the wood. 


Option 3. Replace the sofa springs

The final solution to repair a sagging sofa is replacing the sofa springs. More than the sofa cushions and base, damaged springs are also a common culprit to sagging couches. They can get worn down from constant use, so you’ll need to replace them to restore the ability of the couch to fight against the pressure to avoid sinking. 

You should easily find sofa springs in furniture stores. However, it would help if you also know what type of springs your sofa uses. Sofa springs can either be coil or zigzag springs


Can You Fix A Sunken Couch?

It’s possible to repair a sunken couch if you can identify what part of the furniture needs reinforcement or replacement. However, you must also ask yourself if it is worth the effort and time. It might not feel as expensive compared to buying a new sofa, but constantly repairing the model will also cost you more in the long run. 

Understandably, some people view their sofas with sentimental values. If this is the case for yours, checking the cushions and frame should restore the couch to its former glory. And as a bonus, you have helped with not adding to the landfill. 

But what if your couch is severely damaged? Take apart the sofa to see if there are parts that you can upcycle. Then, contact your local waste management to know the proper disposal practice for it. 


How Do I Keep My Couch Cushions From Sinking?

Proper care and maintenance of the couch cushions will help them last longer. Be sure to flip them regularly, so the wear is equally distributed on both sides. You also have to clean the materials accordingly since some fiber filling can’t be exposed to high heat or moisture. 


How Long Should A Couch Last?

A sofa can last for 7 to 15 years, depending on its quality and the user’s practices. Some materials will last longer than others, but heavy usage and poor maintenance will surely shorten the lifespan of any couch. Use a couch protector if you know the sofa will be used regularly, and always inspect it thoroughly to find issues before they worsen. 


Does Sleeping On Couches Ruin Them?

Sleeping on the sofa should not immediately damage it if you only do it occasionally. However, using the couch for sleeping regularly can wear down its structure quicker because it’s not designed for such weight and pressure. If you want to use the sofa for sleeping, use a sofa bed instead because it has a conformation that can withstand the whole body. 



A dented sofa is both an eyesore and uncomfortable furniture to use. In this article, you have discovered how to fix sagging sofa at home using the three best solutions. You can either refill or replace the cushions, reinforce the base with plywood, or use new springs. 

These remedies should help the sofa withstand pressure and gain back its structural integrity. But if you want to know more ways to give your sofa the TLC it deserves, read this guide on how to fix a couch


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