FoamRush 6ft x 24ft x 27ft Upholstery Foam High Density Firm Support

In this review of the FoamRush 6' x 24' x 27' upholstery foam the bottom line is simple: this is a durable, high density replacement cushion best for people who need firm, long-lasting support for chairs and seats. The reviewer found the foam provides consistent support without bottoming out, and the CertiPUR-US certification and stated 100% recovery rate make it a reliable choice for refurbishing dining chairs, wheelchairs, benches, and other heavy-use seating. If you want a firm cushion that maintains shape for years, this foam delivers.

Key Features

• High density construction: Provides stable support and resists rapid compression in heavy-traffic seating situations.
• Firm but forgiving feel: The specified compression (ILD) balances a firm sit with enough give to remain comfortable for typical chair use.
• 100% recovery rate: Foam returns to original thickness after use, reducing sagging and the need for frequent replacement.
• CertiPUR-US certified: Tested for quality and safety, giving confidence for home projects and indoor seating applications.
• Easy to customize: Can be trimmed, stacked, or glued so it fits custom cushions, boat seats, RV applications, and craft projects.
• Long lifespan: Designed to last approximately 7-12 years under normal use, offering good long-term value.

Who It's For

This foam is well suited to homeowners and upholsterers who need a firmer replacement cushion for dining chairs, wheelchair seats, stools, window seats, and similar applications that see frequent use. It is also a good match for DIY projects where cut-to-size foam and stacking are required to achieve custom thickness or shape.

Those seeking a very soft, plush sink-in feel or a mattress-like softness should look elsewhere; the FoamRush high density foam leans firm and is intended to preserve shape and support rather than deliver a plush, cloud-like surface.

Pros & Cons

Pros

• Firm support that prevents excessive compression and restores worn seating.
• Durable construction and 100% recovery rate help maintain cushion shape over years.
• CertiPUR-US certification provides assurance of material quality and safety.
• Simple to cut, layer, or glue for custom sizing and specialized projects.

Cons

• Some users may find the firmness too pronounced if they prefer a softer seat.
• Cutting and trimming require basic tools and care to get precise edges for upholstery.

Specifications

Our Verdict

The FoamRush 6' x 24' x 27' high density foam is a smart buy for anyone restoring chairs or building custom cushions who needs firm, long-lasting support. Its CertiPUR-US certification, strong recovery, and ease of customization make it good value for heavy-use seating, though buyers should be comfortable with a noticeably firm feel.

Frequently Asked Questions

Can I trim this foam to fit my chair?
Yes. The foam is easy to cut with standard slicing tools and can be stacked or glued for custom thickness.

Is this foam safe for indoor use?
Yes. The product is CertiPUR-US certified, indicating it meets quality and safety standards for indoor applications.

Will the foam stay firm over time?
According to the manufacturer the foam has a 100% recovery rate and is designed to last 7-12 years, so it should maintain firmness and shape for regular seating use.