Couch Cushion Support Board for Sagging Sofa Cushions

Key Features

• STOP THE SAG IN MINUTES — This couch cushion support for sagging cushions slides between your sofa frame and seat cushions to instantly restore a firm, level seating surface. No tools, no flipping, no stuffing towels underneath. If your couch sinks when you sit down, this sofa cushion support board eliminates that “falling into a hole” feeling and makes your furniture sit like it did when it was new.
• ENGINEERED WOOD, NOT FLIMSY CARDBOARD — Built with heavy duty 8mm engineered wood panels wrapped in industrial-grade fabric. The anti-skid finish grips your sofa frame to prevent shifting, and the rounded corners protect upholstery from snags. This couch support board is engineered to stay flat and firm under daily use — it won’t bow, bend, or compress like foam inserts or corrugated board alternatives.
• 8 SIZES FOR EXACT FIT — Available in widths from 21” to 28” (standard to extra deep) and lengths from 48” to 79” (loveseat to oversized sofa). Measure the inside of your sofa frame from arm to arm (length) and front rail to back rail (depth) before ordering. Works with couches, loveseats, sectional pieces, and sofas with removable cushions. Not compatible with attached or non-removable seat cushions. See our sizing guide in the images for the right sofa support board for your furniture.
• SKIP THE COUCH REPLACEMENT — This sofa boards for sagging couch slides under your seat cushions and stays there permanently — no removal, no maintenance, no adjustments. Once installed, the hinged slat design lays flat and invisible under your cushions while keeping the seating surface firm. Also works as a couch firmer under cushions for newer sofas that feel too soft, even if they’re not sagging yet. A fraction of the cost of new furniture, and it takes under a minute to install.
• SMALL FAMILY BUSINESS - Have peace of mind knowing you're supported by a team that understands your needs. Meliusly couch cushion support boards have been fixing sagging sofas for thousands of households. If it doesn’t solve your sagging couch, reach out to our support team and we’ll make it right.

Specifications