---
product_id: 625135213
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: "฿6741"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/625135213-gorilla-grip-heavy-duty-couch-cushion-support-board-to-fix
store_origin: TH
region: Thailand
---

# .43" thick plywood Holds up to 400 lbs 21.5" wide support 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:** ฿6741
**Availability:** ✅ In Stock

## Summary

> 🛋️ Revive Your Sofa, Elevate Your Comfort!

## 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?** ฿6741 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/625135213-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

- • **Versatile Fit:** Foldable design adapts to any sofa size.
- • **Quick & Easy Setup:** Install in minutes for instant comfort.
- • **Stay Put Technology:** Slip-resistant grip dots keep the board in place.
- • **Transform Your Sofa:** Upgrade sagging sofas with ease!
- • **Unmatched Durability:** Crafted from high-quality plywood for lasting support.

## Overview

The GORILLA GRIP Heavy Duty Couch Cushion Support Board is designed to provide robust support for sagging sofas. Measuring 21.5 x 78 inches, this ultra-durable .43-inch thick plywood board can hold up to 400 pounds. Featuring slip-resistant grip dots for stability, it is easy to install and fits various sofa sizes, making it an essential upgrade for any living space.

## Description

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

## Features

- ADD STRONG, LONG LASTING SUPPORT TO SOFAS: easily and quickly upgrade your sagging sofa with our ultra strong, high quality plywood support 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 support
- 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; 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; individual board panels feature rounded corners to reduce chance of cover tearing
- EASY TO INSTALL: extremely easy to install in minutes; simply remove cushions from sofa, unfold board and apply to width of sofa frame with grip dots on the underside; add cushions back to sofa on top of board
- FOLDABLE AND STACKABLE FOR UNIVERSAL FIT: boards are available in standard sofa sizes for a perfect fit but can also be folded and stacked to accommodate loveseats and smaller sofas; we recommend measuring your sofa before purchase; measure your sofa seat width from left inside arm to right inside arm; this support board measures 78 inches

## 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/71Bg+Pq4R7L.jpg)

## Available Options

This product comes in different **Color, Size** 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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**Shop now:** [https://www.desertcart.co.th/products/625135213-gorilla-grip-heavy-duty-couch-cushion-support-board-to-fix](https://www.desertcart.co.th/products/625135213-gorilla-grip-heavy-duty-couch-cushion-support-board-to-fix)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-25*