Foamy Foam High Density 6 in Thick Upholstery Foam Cushion Replacement
Foamy Foam High Density 6 in Thick Upholstery Foam Cushion Replacement
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In this review the Foamy Foam High Density 6 in Thick Upholstery Foam is evaluated for anyone needing a straightforward cushion replacement. The bottom line: this 6x18x72 piece is best for DIYers and upholsterers who want a firm, supportive core for seat cushions, couch cushions, benches or window seats, and who appreciate that it ships compressed and regains shape after a few days. The review focuses on durability, firmness, size accuracy and unpacking notes so buyers know what to expect when it arrives.
Key Features
- High density construction: The 1.8 density foam with a 44 ILD compression rating delivers firm, long lasting support appropriate for heavy-use seating.
- Ready size for common projects: The 6x18x72 dimension ships as a single piece that fits many bench, couch and seat cushion replacements without additional joins.
- Made in the USA: The foam is manufactured domestically, which can matter for consistent cutting quality and materials sourcing.
- Custom cut options: The brand cuts a range of thicknesses, widths and lengths so customers who need other dimensions can request a quote.
- Compressed shipping: The product is vacuum packaged to save space in transit and recovers to full volume after 2-3 days of laying flat.
Who It's For
The Foamy Foam 6x18x72 is ideal for homeowners reupholstering a couch seat, replacing a broken bench cushion, or creating a firm window seat. It suits hobbyists and professional upholsterers who want a predictable, firm core that holds shape over time.
People who need very soft or plush cushions, or who require exact custom contours without trimming, should consider alternative foams or layering options. Also orderers who cannot wait for the 2-3 day decompression period should plan ahead.
Pros & Cons
Pros
- Consistent firmness from the 44 ILD rating provides reliable support for seating applications.
- Single-piece 6x18x72 size reduces seams and simplifies installation for many standard cushions.
- Custom cutting service allows other sizes if the stock dimension is not suitable.
Cons
- Arrives compressed and requires 2-3 days to fully decompress, so it is not ready the instant you receive it.
- Firmness level may be too stiff for users seeking plush, sink-in cushions.
Specifications
| Brand | Foamy Foam |
| Product type | Upholstery foam cushion replacement |
| Dimensions | 6 in thick x 18 in wide x 72 in long |
| Density | 1.8 |
| Compression rating | 44 ILD |
| Packaging note | Compressed for shipping, allow 2-3 days to decompress |
| Ships as | One piece foam |
Our Verdict
The Foamy Foam High Density 6 in Thick 18x72 piece is a practical, value-oriented choice for anyone replacing seat or couch cushions who needs firm, long lasting support. It is good value for projects that require a reliable single-piece core, provided you allow the decompression time after delivery.
Frequently Asked Questions
How long does it take to expand after unpacking?
The foam should lay flat and recover to full volume in about 2-3 days after unpacking.
Will this size work for a bench or window seat?
The 6x18x72 size fits many bench and window seat applications, but measure your cushion cavity to confirm fit.
Can I order a different size?
Yes, Foamy Foam cuts other thicknesses, widths and lengths and will provide a quote for custom sizes.
Editor's Take
The Foamy Foam 6 in High Density upholstery foam is a firm, reliable single-piece cushion core ideal for seat, couch and bench replacements; allow 2-3 days for decompression after arrival.

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