---
product_id: 739894962
title: "GORILLA GRIP Heavy Duty Couch Cushion Support Board to Fix Sagging Sofas, 21.5 x 78 Oversized Sofa, Thick Plywood Boards Add Strong Seat Supports, Stay in Place Replacement Stuffing Under Couches Grey"
brand: "gorilla grip"
price: "$U20137"
currency: UYU
in_stock: true
url: https://www.desertcart.uy/products/739894962-gorilla-grip-heavy-duty-couch-cushion-support-board-to-fix
store_origin: UY
region: Uruguay
---

# Supports up to 400 lbs weight Non-slip grip dots prevent shifting 0.43-inch thick premium plywood GORILLA GRIP Heavy Duty Couch Cushion Support Board to Fix Sagging Sofas, 21.5 x 78 Oversized Sofa, Thick Plywood Boards Add Strong Seat Supports, Stay in Place Replacement Stuffing Under Couches Grey

**Brand:** gorilla grip
**Price:** $U20137
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** GORILLA GRIP Heavy Duty Couch Cushion Support Board to Fix Sagging Sofas, 21.5 x 78 Oversized Sofa, Thick Plywood Boards Add Strong Seat Supports, Stay in Place Replacement Stuffing Under Couches Grey by gorilla grip
- **How much does it cost?** $U20137 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/739894962-gorilla-grip-heavy-duty-couch-cushion-support-board-to-fix)

## 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

- • **Heavyweight Support:** Holds up to 400 pounds, reinforcing sagging sofas with confidence.
- • **Unmatched Durability:** Premium .43-inch plywood engineered for long-lasting strength and stability.
- • **Slip-Resistant Design:** Hundreds of PVC grip dots keep the board firmly in place—no more annoying shifts.
- • **Custom Fit Flexibility:** Oversized 21.5” width folds and stacks to perfectly support any sofa or loveseat.
- • **Effortless Installation:** Tool-free, foldable design lets you upgrade your sofa in minutes without hassle.

## Overview

The GORILLA GRIP Heavy Duty Couch Cushion Support Board is a premium .43-inch thick plywood solution designed to restore and reinforce sagging sofas. Measuring 21.5 x 78 inches, it supports up to 400 pounds and features hundreds of slip-resistant PVC dots to keep it securely in place. Easy to install and foldable for universal fit, this durable grey support board transforms worn-out couches into sturdy, comfortable seating—perfect for professionals who demand both style and function.

## Description

Product description                ADD STRONG, LONG LASTING SUPPORT TO SOFAS  Easily and quickly upgrade your sagging or broken sofa with our ultra strong, high-quality plywood replacement support board. The Gorilla Grip Board adds extra support and comfort to sofas with sagging frames, cushions or worn out springs. Our boards are 21.5” wide to cover more surface area therefore, providing more cushion supports.  ULTRA DURABLE .43 INCH THICK PLYWOOD BOARDS  Unlike other brands that use MDF or particle board, ours is constructed with high quality .43” thick plywood that is naturally stronger and more durable and stable. Support board can hold up to 400 pounds!  STAY-IN-PLACE GRIP DOTS  Designed to stay in place on sofas, board features hundreds of slip resistant PVC dots on the underside. Dots help grip to sofa frame and prevent board from shifting during daily use.  EASY TO INSTALL  Extremely easy to install fix in minutes; simply remove sagging cushions from couch, unfold board and apply to width of sofa frame with grip dots on the underside, then add cushions back to sofa on top of board.  FOLDABLE AND STACKABLE FOR UNIVERSAL FIT  Boards are available in standard and oversized sofa sizes for a perfect fit but can also be folded and stacked to accommodate loveseats and smaller couches. We recommend measuring your sofa before purchase, measure your sofa seat width from left inside arm to right inside arm.                  Safety Warning               Keep this product away from open flames or high heat sources. Supervise children and pets to avoid choking hazards from small parts.

## 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 78 inches

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Gorilla Grip |
| Model Number | 840316706971 |
| Colour | Grey |
| Product Dimensions | 54.61 x 198.12 x 1.09 cm; 4.67 kg |
| Maximum Weight Capacity | 4E+2 Pounds |
| Material | Engineered Wood |
| Special Features | Easy To Install, Folding, Stackable, Stay in Place Grip Dots, Tool Free Assembly |
| Item Weight | 4.67 kg |

## Product Details

- **Brand:** Gorilla Grip
- **Assembly required:** No
- **Seat depth:** 54.6 centimetres
- **Seat height:** 0.43 Inches
- **Weight limit:** 4E+2 Pounds
- **Seating capacity:** 5
- **Item weight:** 4.67 kg
- **Type:** Standard
- **Colour:** Grey
- **Style:** Modern

## Images

![GORILLA GRIP Heavy Duty Couch Cushion Support Board to Fix Sagging Sofas, 21.5 x 78 Oversized Sofa, Thick Plywood Boards Add Strong Seat Supports, Stay in Place Replacement Stuffing Under Couches Grey - Image 1](https://m.media-amazon.com/images/I/61QDyY-mRWL.jpg)

## Available Options

This product comes in different **Colour Name, Size Name** options.

## Frequently Bought Together

- GORILLA GRIP Heavy Duty Couch Cushion Support Board to Fix Sagging Sofas, 21.5 x 78 Oversized Sofa, Thick Plywood Boards Add Strong Seat Supports, Stay 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

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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-02-02*