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🛋️ Upgrade your lounge game—because your sofa deserves a solid foundation!
The LAVEVE 21.5" x 70" Couch Cushion Support Board is a heavy-duty, foldable under-sofa insert crafted from multilayer solid wood composite. Engineered to support up to 400 lbs, it fits 19 different sofa sizes and features a non-slip 600D Oxford fabric cover with silicone dots to prevent shifting. Rounded edges ensure safety, while tool-free installation makes it the ultimate solution to sagging cushions, extending your sofa’s life and comfort.





| ASIN | B09Z2WYK2K |
| Accent Color | Black |
| Additional Features | Folding |
| Age Range Description | Adult |
| Arm Height | Oxford Fabric |
| Arm Style | Armless |
| Assembly Instructions Description | Simply remove your sofa cushions, place the couch support underneath, and replace the cushions. |
| Back Cushion Removability | Semi-attached |
| Back Style | Cushion Back |
| Best Sellers Rank | #3,814 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #2 in Sofa Replacement Parts |
| Brand Name | LAVEVE |
| Color | Black |
| Component Connector Assembly | Not Required |
| Cushion Construction | Wood,Oxford Fabric |
| Cushion Style | Rounded edge |
| Customer Reviews | 4.5 4.5 out of 5 stars (5,381) |
| Fill Material | wooden |
| Finish Types | textured |
| Frame Color | Black |
| Frame Material Type | Wood |
| Furniture Leg Color | Black |
| Furniture Leg Material | Wood |
| Has Removable Seat Cushion Cover | false |
| Included Components | / |
| Included Throw Pillow Cover Material | Nylon |
| Includes All Assembly Tools | No |
| Indoor Outdoor Usage | Indoor |
| Is Customizable? | Yes |
| Is Modular | Yes |
| Item Depth | 20.5 inches |
| Item Dimensions | 20.5 x 67 x 0.4 inches |
| Item Dimensions D x W x H | 20.5"D x 67"W x 0.4"H |
| Item Firmness Description | Firm |
| Item Weight | 5 Pounds |
| Leg Length | 3 Centimeters |
| Leg Style | Armless |
| Manufacturer | LAVEVE |
| Manufacturer Grade | LAVEVE |
| Manufacturer Part Number | 001 |
| Material Features | sturdy solid wood and non-slip nylon |
| Material Type | Wood |
| Mfg Warranty Type (i.e. Parts, Labor) | Full Warranty |
| Minimum Required Door Width | 67 Inches |
| Minimum Weight Capacity | 181.44 Kilograms |
| Model Number | 20.5 x 67 inch |
| Number of Pieces | 1 |
| Orientation | [AI] Upright (with a confidence level of 70%) |
| Pattern | Solid |
| Product Care Instructions | Hand Wash Only |
| Recommended Uses For Product | Sofa |
| Required Assembly | Yes |
| Room Type | Living Room |
| Seat Back Fill Material | Foam |
| Seat Cushion Configuration | Single Cushion Seat |
| Seat Cushion Quantity | 1 |
| Seat Cushion Removability | Attached |
| Seat Depth | 20.5 inches |
| Seat Fill Material | Foam |
| Seat Height | 0.7 Centimeters |
| Seat Interior Width | 67 Inches |
| Seating Capacity | 4 |
| Set Name | 70" x 21.5" |
| Shape | Square |
| Size | 70" x 21.5" - Couch |
| Sofa Type | Standard |
| Style Name | Contemporary |
| Theme | Contemporary |
| Unit Count | 1.0 Count |
| Upholstery Color | Black |
| Upholstery Fabric Type | Oxford Fabric |
| Warranty Type | Limited |
| Weight Capacity Maximum | 181.44 Kilograms |
L**L
Glad I found these
We have a love seat and couch in our sunroom which are of good quality. However, the straps got stretched out from young children jumping on them, and the seats sagged so that they were no longer comfortable to sit in. I saw these and decided to try them. To my delight (and surprise) they not only work well, but were very easy to install.
T**R
Instant difference — made my couch feel brand new again!
I noticed an immediate difference as soon as I placed these couch cushion support boards under my cushions. My couch feels so much more supported and I’m no longer sinking down into it like before. It also doesn’t feel like it sits so low to the ground anymore, which completely changed the way the couch feels overall. My couch isn’t even three years old yet, and it was really frustrating how much it had already started to sag, especially since it wasn’t cheap. I honestly wish I had bought this sooner. The only small thing is that it does raise the cushions slightly, so you can kind of see the support underneath a little bit depending on how you sit it—but honestly it’s very minor and not noticeable enough to bother me at all. Overall, this was one of the best purchases I’ve made for my home. It completely improved the comfort and structure of my sectional. I’m really happy with it and would definitely recommend it to anyone dealing with a sagging or low-feeling couch.
A**A
Works well for old couches you still love!
This works great for the couch that puts my husband to sleep within 10 minutes anytime he lays down on it. It fit perfectly, of course I measured first. It adds support and has pretty much ensured that the couch will be around until the end of time. It's worth it if there's a couch you just can't be parted with. My husband is happy, that makes me happy. I didn't give it 5 stars because the cushions do slide off a little, but not a lot, it's not a big deal.
O**R
Strong, well made perfection
Perfect solution for our Broyhill sleeper sofa. Broyhill is built to last and not easy to.fi d any more. It's ten years old and like new except for the sagging pillows. We replaced the mattress with a thicker, better model but that didn't resolve the issue. We purchased this product hoping for a better resolution for our problem, and this was perfect. My couch is 65 inches wide from arm to arm, we purchased the 70 inch and it worked out great. It was one slat too wide, so we simply folded it over and the fit was perfect. I highly recommend this product!
A**R
This really works!
This couch support really works! Used on my 14-year-old Flex-Steel couch. Cushions feel like new. No sinking when sitting down or getting up . Recommended
L**.
Everyone needs this !
I would give this 10 stars if they offered! My couch is in good shape but was sagging because the inner springs were getting old. Love the couch but it had been particularly uncomfortable to sit on due to sagging. This product gave me back my couch which I love and wasn’t willing to part with it. My inner length on my couch was 66 inches x 19.5inches. No assembly required. I just folded over a few planks and it worked perfectly! This is extremely well made with solid wood slats inside the non removable cover. There will be NO sagging due to its construction! Every couch and side chair should have one! No more leaning or sinking in the seat. This has made my bad back very happy! Well worth the price I paid !w
D**.
Well-made, solid but be sure to read description and measure!
Too deep for my sofa (extended beyond the sofa cushions) but it was well-made and solid and I think at the correct depth, would have made my too old sofa more comfortable to sit on and extended its life a bit longer.
T**R
Really helped!
Did the trick on my sofa. It was in perfect shape except for the cushions were a bit flat. I placed them underneath and waited for my husband to flop down on it after supper. When he said what did you do the couch? It feels so much firmer? I knew it was a good purchase!
A**N
Being 25" deep, this sofa support is great for my old 3-seater sofa. The boards are thick solid wood and should last for years.
J**S
Relève nettement les coussins
H**.
Funciona perfecto, tenemos un sillón largo largo que necesitaba repartir el peso y este soporte lo arregló por completo. Llegó un poco roto de la funda, pero es funcional así que nos lo quedamos así, pero perdió una estrella.
S**A
Das Produkt kann ich wirklich empfehlen, auf der Rattancouch sitzt man jetzt wirklich stabiler. Der Versand dauert allerdings etwas länger, da es aus Donalds Land geliefert und durch den Zoll verzögert wurde .
M**O
Gave my sagging couch great confidence! Rejuvenated my 14 year old couch! Eliminated couch-diving guilt!
Trustpilot
3 weeks ago
2 months ago