How to Fix A Sagging Couch With Attached Cushions

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Relaxing on a sagging couch is less than ideal for your relaxing hangout and also your posture. You’d be looking for an easy solution to fix a sagging couch in no time.

It could be that your couch needs extra support or that the attached cushions are sliding.

You won’t need to replace your sofa.

Read on to find out how to fix a sagging couch and bring back the level of comfort you deserve.

how to fix a sagging couch with attached cushions

Stop your back and bum hurting from a sagging couch and start enjoying leisure time with the sofa again.

How to Fix A Sagging Couch With Attached Cushions

Method 1: Cushion Support Insert

The easiest method to fix a sagging couch is to add a cushion support insert.

Place it under the seat cushion to get instant firmness and comfort.

It’s designed with heavy-duty engineered wood board to save your seat and extend the life of your sofa.

You will have to measure your sofa seat to get the correct size support insert.

Method 2: Anti Slip Your Cushions

If you find that your cushions are sliding, the easy fix is by putting an anti-slip pad between your couch and the cushion.

It has a strong grip without the use of glue or velcro to keep your cushion in place. And won’t bunch up because it has the support of felt in the middle.

You can combine this method with Method 1 for renewed firmness and strong grip.

You can trim them with scissors and when trimmed properly, the grip pad won’t be visible.

Method 3: Add Cushion

Is your couch’s foundation fine but it’s the cushions that have deflated? You will need to make your cushions firm again.

Use a good scissor to carefully take apart one side of the threads.

Stretch out the steams. Then cut only the threads and not the fabric.

Then add upholstery foam until you get the level of the cushion you like.

To seal the cushion side, use a needle and thread.

If you prefer to not sew, you can use a peel and stick fabric tape.

Can You DIY Fix A Sagging Couch With Attached Cushions?

Let’s go over the DIY method to fix a sagging couch.

This method is perfect for couches that are serious issues.

You’ll have to investigate the reason the couch is sagging. Is it a broken frame? Have the cushions shrunk?

Part 1: Shrunken upholstery foam

You can find out how to make your cushions firm again with this article: How to Make Couch Cushions Firm Again.

Or check out Method 3: Add Cushion.

Part 2: Broken springs reinstallment

If you couch uses springs for a pull-out bed or recliner function, and they are broken now, it can cause you to have a sagging sofa.

Remove the cushions and check on the springs.

You may have to put your couch on its side and pull out the pins out of the sofa using pliers. Remove the whole covering and look for the springs.

Identify the springs as it will not hold in their attachments.

Place a compressor tool on each of the spring and compress the tool using a wrench. Turn the tool to make the springs tight and firm again.

Remove the tool from the springs and check if they have set in their place.

If they have been set in place then put back the sofa coverings, pins, and cushions.

Part 3: Broken frame repairing

Sometimes, the problem may not be the foams or the spring.
The problem is the broken frame that holds up the cushion and the springs in their place.

Broken support can cause the springs to settle and lose the firmness of the couch.

To repair this, you need to open the covering of the sofa by turning it upside down.

Remove the staples and remove the covering.

Remove the springs and the foams. If necessary, use a handsaw to cut out the broken plywood.

Take a measurement of the cut plywood or area that needs extra support. Buy new plywood and cut to their measurements.

Remove the wood particles from the sofa to make it clean.

After you have cleaned the area, now you can install the new board in its place.

Use epoxy for furniture.

Let the glue dry for at least 3 hours.

Place the springs and nuts back on the sofa. Place the cushions back in place.

Now, you can turn your sofa back and have a perfectly new sofa to relax on.

How Do I Fix A Sagging Couch Without Attached Cushions?

If the support under your sofa cushions are sagging, you can add foam support to remove the sag.


Fixing a sagging couch can be super easy or more work, depending on why your couch is sagging.

If it’s just the top support, you can get an extra support insert for your couch.

If you find that it’s your cushions, you can easily make them firm again.

However, for issues like broken supports, you’ll need to glue or nail in extra support or replace the plywood.

As soon as you’re done, be ready to start enjoying relaxation time with the sofa again.

How to Stop Couch Cushions from Sliding – 9 Easy Methods
How to Make a Desk Taller – 4 Easy Solutions and Bonus Tips


  1. We have the big sectional from Ikea, and all 11 cushions are removable. Within the past 6 months, I realized that after 9 years, our cushions were experiencing major sag. I ended up using 2 10 lb. boxes of poly-fil to rejuvenate them! When I finished, they were so perky that we nearly slid off the couch! Congratulations on your newfound fluffiness, and may it provide you with hours of comfy enjoyment!

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