There's nothing like curling up on a cozy couch with plump, full cushions, whether to read a book, watch a movie, or get comfortable for a nap. But, on the flip side, few things are more aggravating than trying to get cozy on a sagging, thin, or lumpy couch.
Over time, no matter how high quality your couch and its filling are, The Stated Home explains that they'll warp and shift. This is due to repeated use; as you sit in the same spot, the filling will move to accommodate the weight and pressure. The front edges of your couch can also be susceptible to sagging and dipping from the pressure of your legs. While rotating and flipping your cushions regularly can certainly help with the unevenness, it won't matter after a while. This doesn't mean it's time to replace your couch, though — the cushions might just need a little attention. Curing Oven For Brake Lining
If your couch cushions look limp and lifeless, getting them back in shape should be quite simple. Per Lifehacker, the only supplies you'll need are a box of Poly-fil, quilt batting, and a spray adhesive. You'll also need a stuffing tool, but a makeshift one (like a ruler or spoon) should work perfectly. Finally, you'll need to ensure your couch cushions have a zipper back.
Beginning with the seat cushions, remove the covers. You can use this time to throw them in the washer. Next, remove any loose pieces of foam and grab your quilt batting to wrap it around the insert. You can then use the spray adhesive to secure the batting. When reinserting the foam into the cushion covers, it is better to have some help so that one person can hold the cover open while the other slides the insert in. Ideally, you'll want to slightly overstuff the cushions, as the batting will squish down over time. You can also add more high-density foam instead of quilt batting.
Now that you have the seat cushions under control, it's time to plump up the back cushions. This process is a lot simpler and only requires a bag of Poly-fil (per Lifehacker). As with the seat cushions, begin by unzipping the back of the cover. If they seem dirty, feel free to use this time to throw them in the washing machine. Let's face it, cleaning your sofa is something you probably don't do frequently enough, so use the opportunities when they present themselves.
Back Plate Spray Gluing Machine All you need to do is stuff the Poly-fil inside the cover. However, don't start stuffing without discretion — add all the stuffing behind the foam pillow so the front texture looks smooth and neat. If you have reversible pillows, pick a side to be front facing. Then, stuff the cushions as tightly as possible. Use the ruler, spoon, or stuffing tool to smooth it out as needed. Remember, even with freshly plumped and stuffed cushions, you'll still want to rotate and flip them regularly. No need to grab a stopwatch, though; once a week should do the trick.