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Heavy Duty Couch Cushion Support Board for Sagging Sofa, 21.5''x48'' Extra Thick Solid Wood Under Couch Insert with Anti-Slip Dots, Repair Sagging Spring Sofa and Replace Worn Cushions

  • Based on 4,673 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon

Arrives Saturday, Nov 15
Order within 21 hours and 50 minutes
Available payment plans shown during checkout

Size: 48" x 21.5" - Loveseat


Features

  • BIG UPGRADE - LAVEVE couch support is upgraded with multilayer solid wood boards, providing firm yet comfortable seating. Each board can withstand up to 400 lbs, ensuring long-lasting durability. The foldable, widened design fits different sofa sizes and offers flexible adjustment. Perfectly solves the problem of sagging couch cushionsmaking your sofa feel as supportive and new as day one.
  • FIT FOR ALL SOFA TYPES - Offered in 8 compatible sizes, LAVEVE cushion support fits everything from chairs and loveseats to large sectionals and deep sofas. The foldable couch support is easy to adjust and combine for a perfect furniture fit in any living space.
  • ANTI-SLIP OXFORD FABRIC COVER - Wrapped in heavy-duty 600D Oxford fabric with silicone dots for grip. This under couch cushion support stays firmly in place without sliding, keeping your couch cushions and frame stable during daily use.
  • SAFE ROUNDED CORNERS - Every edge and corner is carefully rounded and polished, providing safe, comfortable sofa cushion support for families with kids and pets. Works perfectly as a couch cushion replacement, providing firm sofa cushion support and extending your sofas life.
  • INSTALL IN SECONDS - The easiest way to fix sagging couch cushionsno tools required. Simply remove cushions, place the under couch cushion support on the frame, and put cushions back. Instantly restore firmness and comfort. Backed by LAVEVEs quality warranty for lasting confidence.

Brand: LAVEVE


Assembly Required: No


Weight Limit: 400 Pounds


Product Dimensions: 20.5"D x 0.4"W x 45"H


Item Weight: 5.64 Pounds


Type: Loveseat


Color: Black


Special Feature: Folding


Upholstery Fabric Type: Nylon


Room Type: Living Room


Brand: ‎LAVEVE


Assembly Required: ‎No


Weight Limit: ‎400 Pounds


Product Dimensions: ‎20.5"D x 0.4"W x 45"H


Item Weight: ‎5.64 Pounds


Type: ‎Loveseat


Color: ‎Black


Special Feature: ‎Folding


Upholstery Fabric Type: ‎Nylon


Room Type: ‎Living Room


Arm Style: ‎Armless


Pattern: ‎Solid


Back Style: ‎Cushion Back


Size: ‎48" x 21.5" - Loveseat


Material: ‎Wood


Cushion Style: ‎Knife Edge


Number of Pieces: ‎1


Cushion has removeable cover: ‎false


Product Care Instructions: ‎Minimal cleaning required. Keep dry and avoid direct contact with cleaning agents.


Indoor/Outdoor Usage: ‎Indoor


Seat back fill material: ‎Foam


Included Components: ‎/


Theme: ‎Solid


Fill Material: ‎wood


Warranty Type: ‎Limited


Item Firmness Description: ‎Firm


Recommended Uses For Product: ‎Sofa


Material Feature: ‎Durable and long-lasting


Component Connector Assembly: ‎Not Required


Seat Cushion Configuration: ‎Multiple Cushion Seat


Is Customizable: ‎No


Cushion Construction: ‎Solid wood frame with woven nylon outer layer


Item Weight: ‎5.64 pounds


Item model number: ‎20.5‘’x45‘’ sofa support


Date First Available: September 20, 2022


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Nov 15

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Very good Cushion Support
Size: 70" x 21.5" - Couch
This item works very well. It is very sturdy and gives a lot of support. I would recommend it to my family and friends.
Reviewed in the United States on September 22, 2025 by D. Simon

  • Excellent product that TRULY works!
Size: 72" x 24" - Deep Couch
This product works. My expensive couch is only a year old (le sigh) and I've already had to resort to flipping the cushions. I got this product and it immediately made my couch feel brand new and firm again. The sagging is gone and it's sturdy and the cushions are now the same level as the corner cushions, which are generally not sit on. This is an excellent product that does exactly as it says it does. I've been sending it to friends and family as a result. ... show more
Reviewed in the United States on August 7, 2025 by Alicia

  • Measure your furniture before ordering
Size: 72" x 24" - Deep Couch
Just received and I am very pleased with the results. Fits my couch perfectly, was a snap to install and it has given the support needed. I’m hopeful it will last a few years. Easy fix and cost effective.
Reviewed in the United States on June 29, 2025 by N. Montgomery

  • Good investment! New life for my furniture.
Size: 70"x21.5" & 48"x21.5"- Sectional Couch
We have a loveseat and sofa that are in great shape and look good, BUT they had gotten too saggy under the cushions. I figured it would be worth a try to see if these would help. I bought the supports on a sale day and it was worth it. They have made a big difference in the comfort. You no longer feel like you are falling down in to our furniture. They don't show and look good even when you pick up the cushions. It looks like the black cloth that was already under the cushions. On my furniture they fit on the supports under the cushions perfectly and seem sturdy. ... show more
Reviewed in the United States on October 6, 2025 by Lbiglane

  • Tired of sinking into your sagging couch?
Size: 48" x 21.5" - Loveseat
The media could not be loaded. Tired of sinking into your sagging couch? The LAVEVE Heavy Duty Couch Cushion Support is a game-changer. Made from solid wood and wrapped for comfort, it fits perfectly under cushions to instantly firm up soft, worn-out seats. At 21.5 by 48 inches, it's ideal for loveseats or larger chairs. Setup is a breeze—just lift the cushions, slide it in, and sit back. It adds great support without being noticeable and helps extend your sofa’s life. If your couch is feeling tired, this support board is a simple, budget-friendly fix. ... show more
Reviewed in the United States on August 4, 2025 by PinkCartQueen 💕

  • Helps fix problem
Size: 48" x 21.5" - Loveseat
These cushion supports are better than the last ones I tried. I do like the way they are fitted together. Couch is still saggy but less so. This will do for now until I buy a new couch.
Reviewed in the United States on October 21, 2025 by Nancy E Hill

  • Works as advertised!
Size: 70" x 21.5" - Couch
Just as advertised. Makes all the difference on our patio sofa. Fits perfectly .Very good quality. Once in place can’t hardly tell it’s there.
Reviewed in the United States on October 17, 2025 by LarryD LarryD

  • An amazing product!
Size: 70" x 21.5" - Couch
It has to be amazing for me to leave a review. Oh my gosh, one of the best purchases ever! We have a leather sofa that has been loved on for years. It still looks in great shape, but next to no support when sitting on it. Took a chance on this product and it has totally changed how it feels. I can't get over the difference it makes! The support is incredible, from saggy to firm in minutes, it feels like new. Can't recommend this product enough! ... show more
Reviewed in the United States on August 31, 2025 by Lynn

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