FoamRush 3 in x 36 in x 36 in High Density Upholstery Foam Cushion

In this review of the FoamRush 3 in x 36 in x 36 in Premium Quality Upholstery Foam Cushion, the bottom line is simple: it is a firm, long-lasting replacement foam for high-use seating and DIY projects. The reviewer found the foam best suited to restoring worn dining chairs, wheelchairs, and benches because of its high density profile and CertiPUR-US certification, which together promise consistent support and durability. The single biggest reason to buy is the balance of firmness and recovery, which keeps cushions from collapsing under repeated use.

Key Features

• CertiPUR-US Certified: Provides reassurance that the foam meets safety and quality standards for home projects and upholstery.
• Density and Durability: High density construction is formulated to last an estimated 7-12 years in heavy traffic applications.
• Compression/ILD 63: Offers firm support and resists bottoming out while still allowing comfortable seating for most users.
• 100% Recovery Rate: Returns to original thickness after use, reducing sag and extending cushion life.
• Easy to Customize: Can be trimmed, layered, or glued for tailored cushion thickness and shapes for chairs, RVs, boats, or craft projects.
• Multiple Uses: Works as replacement foam for chairs, sofas, ottomans, pack and play mattresses, and many DIY upholstery tasks.

Who It's For

This foam is aimed at homeowners, upholsterers, and DIY crafters who need a firm, dependable foam pad for seating that sees frequent use. If you are refurbishing dining chairs, creating custom cushions for patio furniture, or replacing a wheelchair seat, the FoamRush 3 in sheet provides the structural support and longevity those applications require.

People who want a very soft, plush seating surface or an immediately odor-free product may prefer a different grade or an off-gassing-safe alternative; several customers reported a noticeable chemical smell upon unpacking that dissipates over time. Also, buyers needing precise finished cuts should be prepared to trim or glue layers for custom sizes.

Pros & Cons

Pros

• Firm, high-density support that resists sagging in high-use seating.
• CertiPUR-US certification gives confidence in quality and safety compared to unregulated foam.
• 100% recovery rate maintains thickness and comfort over years of use.
• Simple to cut, layer, or glue for custom projects and repairs.

Cons

• Some users note a chemical smell on arrival that requires airing out before use.
• The firm compression may be too much for those seeking a plush, sink-in feel.

Specifications

Brand	FoamRush
Dimensions	3 in x 36 in x 36 in
Density / Firmness	High density, Compression 63 ILD
Recovery Rate	100% recovery
Certification	CertiPUR-US Certified
Intended Uses	Upholstery, chair cushions, wheelchairs, RV and boat seats, DIY projects

Our Verdict

The FoamRush 3 in x 36 in x 36 in high density foam is a smart choice for anyone restoring seating that needs firm, long-lasting support. With CertiPUR-US certification, strong recovery, and easy customization, it offers excellent value for heavy-use cushions and DIY upholstery projects, provided buyers allow any initial odor to dissipate before use.

Frequently Asked Questions

Will this foam work for dining chair replacement?
Yes. The firm high density and 3 in thickness make it suitable for dining chairs that need regained support and durability.

Does the foam have a chemical smell out of the box?
Some customers report a noticeable odor on arrival; it typically fades after unboxing and airing the foam for a day or two.

Can I cut or layer this foam for custom sizes?
Yes. The foam is easy to trim with common tools and can be glued or stacked to achieve different thicknesses and shapes.