Foamma 4-Pack 2ft x 18ft x 18ft High Density Upholstery Foam - Firm

In this review the Foamma 4-Pack 2' x 18' x 18' high density upholstery foam is evaluated for everyday seating and DIY cushion projects; it is best for anyone who needs consistent, firm padding in standard square sizes. The biggest reason to buy is the combination of firm support and American manufacturing, which makes these pieces suitable for dining chairs, wheelchair seat replacements, and retro patio cushions where a reliable, long-lasting foam is required. The set contains four identical 2' thick pieces that are easy to cut and shape for most home and light commercial upholstery jobs.

Key Features

• Made in the USA: The foam is produced domestically, assuring consistent quality and clear manufacturing standards for buyers who prefer locally made materials.
• High density, firm feel: With a 1.8 density and a 44 lb compression rate, the pieces deliver firm support that holds shape under regular seating use.
• Four-piece set: Includes four 2' x 18' x 18' sheets, which is convenient for replacing multiple chair cushions or creating matching seat pads.
• CertiPUR-US certified: Manufactured without ozone depleting substances, heavy metals, and with low VOC emissions for better indoor air quality.
• Custom cut options: The seller offers custom shapes and sizes, making it practical if these standard squares do not fit a specific project.
• Packaging guidance: The foam may arrive vacuum packed or rolled and recovers to shape within 72 hours when opened promptly, which helps shipping and storage.

Who It's For

This pack is aimed at DIYers, upholsterers, and homeowners who need firm, durable cushioning for dining chairs, wheelchair seats, boat or car cushions, and similar uses where square pads are common. People who appreciate American-made materials and need CertiPUR-US assurances about emissions and regulated substances will also find this appealing.

Customers who need very soft or specialized memory foam comfort, or who require nonstandard thicknesses beyond the offered custom service, should consider alternative foam types; likewise those who want a plush, sink-in feel rather than firm support will likely prefer a gel memory or softer foam option.

Pros & Cons

Pros

• Firm, high density feel provides reliable support and shape retention for seating applications.
• The four-piece set covers multiple cushions at once, making matching replacements straightforward.
• Easy to cut and customize for different cushion sizes and projects.
• CertiPUR-US certification and US manufacturing offer reassurance about materials and emissions.

Cons

• Firmness opinions vary; some users may find the foam too dense for softer seating preferences.
• Standard 2' thickness and 18' square size may not fit every frame without a custom cut.

Specifications

Product type	High density upholstery foam sheets
Set contents	4 pieces of 2' x 18' x 18'
Density	1.8 Density, 44 lb compression rate
Firmness	Firm
Certifications	CertiPUR-US certified, low VOC
Made in	USA
Packaging note	May arrive vacuum packed, rolled, or compressed; allow up to 72 hours to regain shape

Our Verdict

The Foamma 4-Pack 2' x 18' x 18' high density foam is a sensible choice for anyone replacing multiple chair cushions or doing basic upholstery where a firm, supportive pad is desired. Its US manufacture and CertiPUR-US credentials add value, and the ability to custom cut makes it versatile; those seeking a softer, plush seat should consider other foam types, but for long-lasting, firm support this set offers good value.

Frequently Asked Questions

Will the foam arrive compressed?
Yes, sheets may be vacuum packed, rolled, or compressed for shipping; open immediately and allow up to 72 hours for full recovery.

Can I cut the foam to a different shape?
Yes, customers report the foam is easy to cut and the seller offers custom cuts to many shapes and sizes if the standard 18' squares do not fit.

Is this a soft memory foam?
No, this is a high density, firm upholstery foam with a 1.8 density and 44 lb compression rate; those wanting a plush sink-in feel should choose gel memory or softer foam types.