---
product_id: 624887052
title: "Couch Cushion Support Board for Sagging Sofas, 21.5x70 Gray | Heavy Duty Slip Resistant Thick Boards Add Strong Seat Supports for Couch, Replacement Stuffing Firmer Couches Accessories"
brand: "gorilla grip"
price: "Bs.2461"
currency: BOB
in_stock: true
reviews_count: 13
url: https://www.desertcart.bo/products/624887052-couch-cushion-support-board-for-sagging-sofas-21-5x70-gray
store_origin: BO
region: Bolivia
---

# Slip-resistant PVC grip dots 0.43" thick premium plywood 21.5" wide for max cushion coverage Couch Cushion Support Board for Sagging Sofas, 21.5x70 Gray | Heavy Duty Slip Resistant Thick Boards Add Strong Seat Supports for Couch, Replacement Stuffing Firmer Couches Accessories

**Brand:** gorilla grip
**Price:** Bs.2461
**Availability:** ✅ In Stock

## Summary

> 🛋️ Reinvent your sofa’s comfort—because sagging seats are so last season!

## Quick Answers

- **What is this?** Couch Cushion Support Board for Sagging Sofas, 21.5x70 Gray | Heavy Duty Slip Resistant Thick Boards Add Strong Seat Supports for Couch, Replacement Stuffing Firmer Couches Accessories by gorilla grip
- **How much does it cost?** Bs.2461 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/624887052-couch-cushion-support-board-for-sagging-sofas-21-5x70-gray)

## Best For

- gorilla grip enthusiasts

## Why This Product

- Trusted gorilla grip brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Upgrade:** Tool-free, foldable design installs in minutes—just remove cushions, place board, replace cushions.
- • **Stay-Put Grip Tech:** Hundreds of non-slip PVC dots keep the board firmly in place—no shifting, no sag.
- • **Max Cushion Coverage:** Extra-wide 21.5" board spans more surface area to fully support sagging sofas.
- • **Custom Fit Flexibility:** Foldable and stackable to fit loveseats or full-size sofas—measure once, support forever.
- • **Heavy-Duty Plywood Power:** Premium .43" thick plywood supports up to 400 lbs without bending or breaking.

## Overview

The GORILLA GRIP Couch Cushion Support Board is a heavy-duty, 21.5" wide plywood panel designed to restore firmness and extend the life of sagging sofas. Made from durable .43" thick plywood, it supports up to 400 lbs and features slip-resistant PVC grip dots to prevent shifting. Easy to install and customizable for various sofa sizes, this support board offers a quick, tool-free solution to upgrade your couch’s comfort and durability.

## Description

Founded in 2014 by two working moms and pet owners, Gorilla Grip began with a simple goal: to provide durable and strong products that elevate everyday life.
Our co-founders understood the challenges their customers faced and believed that a great product could make all the difference. Through innovation, research and design, we strive to bring high-quality, functional products to busy households.
At Gorilla Grip, integrity is paramount, and we wholeheartedly believe that if it's not good enough for our homes, it's not good enough for yours.
Almost a decade ago, Gorilla Grip launched its first product, our best-selling Rug Pad, that remains a favorite among our loyal customers for its strong grip. Since then, we've expanded our product line into many other categories including kitchen, bath, pet, outdoor, and travel.
At Gorilla Grip, we focus on enhancing unique "grip" and durability features across many of our product lines. Our mission is simple: to thoughtfully design products that elevate everyday life, focusing on quality, durability, and innovative features that make a difference.
Research and innovation help us develop each product from the customer’s perspective, aiming to create items that are not only durable and long-lasting but also enhance everyday life.
Third-party testing and factory compliance help ensure our products are safe, clean, and high-quality.
We use customer input to refine and update our products so we can exceed customer expectations.
Instantly improve the firmness of your sofa and upgrade sagging cushions with the Gorilla Grip Sofa Support Board. Designed with superior support and long-lasting use in mind, our board features premium .43"
that is naturally stronger and more durable than MDF used by other brands. Also, our boards are wider at 21.5" for more surface area and coverage.
Easily add extra support and comfort to couches with sagging frames, cushions, or worn-out springs.
Made with premium .43” thick plywood that is naturally stronger & more durable. Holds up to 400 lbs.
Slip resistant dots on the underside help couch cushion support grip sofa frame & prevent shifting.
Remove sagging cushions, unfold sofa cushion support board onto frame & place cushions back on top.
How does this sofa cushion support board help fix a sagging couch?
The sofa cushion support board is designed to add firm, long-lasting reinforcement under sagging cushions. The .43" thick plywood helps restore shape & comfort to couches with worn-out springs or sinking cushions to extend the life of your furniture.
What is the couch cushion support made of, and how durable is it?
Unlike other supports made with particle board or MDF, this board is crafted from heavy-duty plywood that’s strong, stable, and built to last. Thick panels support up to 400 lbs without bending or breaking, offering superior strength for daily use.
How does the sofa cushion support board stay in place once installed?
The couch supports for sagging cushions are designed with hundreds of non-slip PVC grip dots on the underside that help keep it securely in place. These stay-in-place grip dots prevent shifting during everyday use.
Is the couch cushion support board easy to install and fit different couch sizes?
Yes, simply remove your cushions, unfold the support board, place it grip-side down, and put your cushions back on top. The foldable and stackable design allows you to customize the fit for various furniture types, from loveseats to full-size sofas.
Ironing Board Cover
Sheet Fasteners
Mattress Gripper
Original Rug Pads
Waterproof Pet Blanket
Rug Grippers

## Features

- ADD STRONG, LONG LASTING SUPPORT TO COUCHES AND SOFAS: easily and quickly upgrade your sagging couch or sofa with our ultra-strong, high-quality plywood sofa cushion support board; adds extra support and comfort to couches with sagging frames, cushions, or worn-out springs; our sofa support boards are 21.5” wide to cover more surface area, providing more couch cushion support for sagging couch seats
- ULTRA DURABLE .43 INCH THICK PLYWOOD BOARDS: unlike other couch support options that use MDF or particle board, ours is made with premium .43” thick plywood that is naturally stronger and more durable; this heavy-duty couch board support for sagging seats can hold up to 400 pounds
- STAY IN PLACE GRIP DOTS: designed to stay in place on sofas, this under couch cushion support features hundreds of slip resistant PVC dots on the underside; these grip dots help the couch supporter for under the cushions grip to sofa frame and prevent sofa board from shifting during daily use; individual couch board panels feature rounded corners to reduce chance of cover tearing
- EASY TO INSTALL: installation is simple and fast; simply remove the cushions from your sagging couch, unfold the cushion supports for sagging cushions, and lay them across the width of sofa frame with grip dots on the underside; add cushions back to sofa on top of support board
- FOLDABLE AND STACKABLE FOR UNIVERSAL FIT: boards are available in standard sofa furniture sizes for a perfect fit, but can be folded and stacked to accommodate loveseats and smaller couches; we recommend measuring your sofa before purchase; measure your couch seat width from left inside arm to right inside arm; this support board measures 70 inches

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Accent Color | Gray |
| Additional Features | Easy To Install, Folding, Non Slip, Stackable, Tool Free Assembly |
| Age Range Description | Adult |
| Arm Style | Armless |
| Asin | B0CGBF9441 |
| Assembly Instructions Description | Already Assembled |
| Back Style | Backless |
| Best Sellers Rank | #4,070 in Home & Kitchen (See Top 100 in Home & Kitchen) #1 in Sofa Replacement Parts |
| Brand Name | GORILLA GRIP |
| Color | Grey |
| Component Connector Assembly | Not Required |
| Cushion Construction | Solid Plywood Boards with Grip Dots |
| Cushion Style | Boxed Edge |
| Customer Reviews | 4.5 4.5 out of 5 stars (4,295) 4.5 out of 5 stars |
| Fill Material | Heavy Duty .43" Plywood Boards |
| Frame Color | Gray |
| Furniture Leg Material | Engineered Wood |
| Has Removable Seat Cushion Cover | false |
| Included Components | Rejuvenator Board |
| Indoor Outdoor Usage | Indoor |
| Item Depth | 21.5 inches |
| Item Dimensions | 21.5 x 70 x 0.43 inches |
| Item Dimensions D X W X H | 21.5"D x 70"W x 0.43"H |
| Item Firmness Description | supportive |
| Item Weight | 9.1 pounds |
| Manufacturer | Hills Point Industries, LLC |
| Manufacturer Part Number | 840316706964 |
| Material Features | Slip-resistant PVC grip dots |
| Material Type | Engineered Wood |
| Minimum Weight Capacity | 181.4 kg |
| Model Number | 840316706964 |
| Number Of Items | 1 |
| Number Of Packs | 1 |
| Number Of Pieces | 1 |
| Pattern | Solid |
| Product Care Instructions | Spot Clean with Damp Cloth, Wipe with Damp Cloth |
| Recommended Uses For Product | Supporting sofas |
| Room Type | Guest Room, Home Office, Living Room, Study Room, Sunroom |
| Seat Cushion Configuration | Single Cushion Seat |
| Seat Cushion Quantity | 1 |
| Seat Cushion Removability | Removable |
| Seat Depth | 21.5 inches |
| Seat Fill Material | Foam |
| Seat Height | 0.43 inches |
| Seating Capacity | 4 |
| Shape | Rectangular prism |
| Size | 21.5" x 70" Sofa |
| Sofa Type | Standard |
| Style Name | Modern |
| Upc | 840316706964 |
| Upholstery Color | Grey |
| Weight Capacity Maximum | 400 pounds |

## Product Details

- **Brand:** GORILLA GRIP
- **Color:** Grey
- **Item Weight:** 9.1 pounds
- **Product Dimensions:** 21.5"D x 70"W x 0.43"H
- **Seat Depth:** 21.5 inches
- **Seat Height:** 0.43 inches
- **Seating Capacity:** 4
- **Style:** Modern
- **Type:** Standard
- **Weight Limit:** 400 pounds

## Images

![Couch Cushion Support Board for Sagging Sofas, 21.5x70 Gray | Heavy Duty Slip Resistant Thick Boards Add Strong Seat Supports for Couch, Replacement Stuffing Firmer Couches Accessories - Image 1](https://m.media-amazon.com/images/I/71vlBPmRHCL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: How does this sofa cushion support board help fix a sagging couch?**
A: The sofa cushion support board is designed to add firm, long-lasting reinforcement under sagging cushions. The .43" thick plywood helps restore shape & comfort to couches with worn-out springs or sinking cushions to extend the life of your furniture.

**Q: What is the couch cushion support made of, and how durable is it?**
A: Unlike other supports made with particle board or MDF, this board is crafted from heavy-duty plywood that’s strong, stable, and built to last. Thick panels support up to 400 lbs without bending or breaking, offering superior strength for daily use.

**Q: How does the sofa cushion support board stay in place once installed?**
A: The couch supports for sagging cushions are designed with hundreds of non-slip PVC grip dots on the underside that help keep it securely in place. These stay-in-place grip dots prevent shifting during everyday use.

**Q: Is the couch cushion support board easy to install and fit different couch sizes?**
A: Yes, simply remove your cushions, unfold the support board, place it grip-side down, and put your cushions back on top. The foldable and stackable design allows you to customize the fit for various furniture types, from loveseats to full-size sofas.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works very well!
*by  on Reviewed in the United States July 7, 2026*

My sofa is old and saggy, but not no more! I was ready to go buy another couch but I thought I would try this couch cushion support instead! It is like a miracle! It fits perfectly and now my couch is back to being firm! Even my lower back stopped hurting and I can finally get rid of the million little pillows I was using for support. If you are having sofa issues, I suggest you try this product! I am sure you will be glad you did!

### ⭐⭐⭐⭐⭐ Works Great!
*by  on Reviewed in the United States July 8, 2026*

Exactly what was shown on the website. Very easy to use and has really helped with the firmness of my sofa. Good price as well!

### ⭐⭐⭐⭐⭐ Perfect for a drooping couch. Couch feels like new again I would buy again. Highly recommended.
*by  on Reviewed in the United States June 13, 2026*

When I moved the movers damaged my couch. It’s quite old so was not worth investing in an expensive repair. The damaged areas were drooping substantially. I installed this and the couch feels like new. It’s very comfortable once again and very stable. Every few months you will need to take the cushions off and adjust, but it only takes a few minutes. It was such an easy fix and so much better than buying a new couch.

## Frequently Bought Together

- GORILLA GRIP Heavy Duty Couch Cushion Support Board to Fix Sagging Sofas, 21.5 x 70 Sofa, Thick Plywood Boards Add Strong Seat Supports, Stays in Place, Replacement Stuffing Under Couches, Gray
- FoamJoy Couch Cushion Support for Sagging Seat - 20" x 20" High-Density Curved Foam Sofa Cushion Support Board, Couch Supporter for Under The Cushions, Grey Set of 3
- LAVEVE Heavy Duty Couch Cushion Support for Sagging Seat 21.5''x70'', Thicken Solid Wood Sofa Under Cushions Boards, Perfectly Fix and Protect Seat, Extend Life

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.bo/products/624887052-couch-cushion-support-board-for-sagging-sofas-21-5x70-gray](https://www.desertcart.bo/products/624887052-couch-cushion-support-board-for-sagging-sofas-21-5x70-gray)

---

*Product available on Desertcart Bolivia*
*Store origin: BO*
*Last updated: 2026-08-15*