Solid Charcoal Firm Foam

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Charcoal firm is higher quality charcoal foam that can handle any task charcoal regular can, to a greater degree. This foam's higher density renders it more resistant to breakdown and degradation, and its increased firmness aids in the casing of frequently used but delicate items that must be packaged snugly, like instruments or technical equipment. It can also serve as entry-level soundproofing.

Custom Cutting is Available!
Need something other than our standard sheet sizes? We can cut custom sizes of Charcoal Firm to fit your exact needs. See Charcoal Firm Foam Custom Cut for details.

Resources Notes

Manufacturing Tolerances
Products may carry a size tolerance depending on the style and job. Please see our Tolerance Table.

Standard Sheet Sizes/Quality
Standard sheets of foam are cut slightly larger than the listed size to compensate for shrinkage during packaging, transit, and delivery. Sheets may contain rough edges. Any yellowing/discoloration present is a byproduct of exposure to light during production and manufacturing and does not represent a flaw, damage, or defect in the material.

Write a Review

Verified Buyer
2 in charcoal foam
Jeff Howard | April 24th, 2024
I originally ordered the egg crate but should have gone with the solid. However I was able to build a custom cart for my Celestron CPC 1100 and CPC 925 telescope. If you purchase a custom cart it's going to run you but 800 to $1,000. So I would say this save me quite a bit of money! I certainly didn't like the product!
Verified Buyer
Mick | April 21st, 2024
The 1” foam I used to refurbish a road case was perfect for my needs. Top notch quality, and the sheets I received were a little larger than advertised and quickly shipped. All at a fair price too! Don’t look elsewhere, this is the place to buy.
Verified Buyer
firm foam charcoal
jim arnold | March 20th, 2024
I used it for a custom shotgun case interior , worked great , good delivery and good price , I am very satisfied .
Verified Buyer
Allan | March 19th, 2024
the firm charcoal foam was used to insulate a sliding door aperture in an exterior wall, we needed something firm but easy to insert/remove. The foam fit the bill and was easy to cut cleanly on the bandsaw. Very satisfied.
Packaging foam
Mary Eiteuner | April 26th, 2023
Foam was used for shipping VERY FRAGILE statues. Worked GREAT!!!!
Excellent Customer Service
Heather | March 10th, 2023
We were looking for packaging solutions without a ton of storage room for a large volume order, The Foam Factory had great pricing for a non-bulk order. They have samples for choosing just what we need. We are very please and look forward to doing business with the Michigan company.
Good Stuff
Mike | August 29th, 2022
Love how Foam Factory let’s you buy just what you need and pretty much pricing is ultimately kind of by the cubic inch. I enjoy shopping here and prices seem reasonable given the vast options and types.
Fast Service, Perfect for my Needs
Doug White | July 8th, 2022
I needed to re-do the foam in a couple Pelican shipping cases. The 2" foam was perfect.
The Best Source for Foam Products
Tony Gardner | February 26th, 2020
I recently purchased a 2-1/2" sheet and a 1/4" sheet of the dense charcoal foam. Both were 80"x72" and were packed very well, and inflated to normal size quickly and without wrinkles or defects. One edge of the 2-1/2" foam has a "skin" which provides an excellent straight-edge for clean and accurate cutting to size. All in all I am very pleased, and will certainly reach out to for all future foam needs.
Excellent Product, Excellent Service
Sam Ciraulo | January 8th, 2020
Recently purchased 1/2" thick charcoal foam sheet. Product was as advertised and arrived as promised.
Nice product, Great service. Thanks!
Dan Cranor | December 26th, 2019
Nice product, great service
Does the job
Bruce Bartlett | December 18th, 2019
I use this foam for acoustic absorption and for mounting mics on instruments. It works well and has uniform porosity.
Head Ice Maker
Scott Belvitch | June 25th, 2019
Nice service and prompt delivery. The 3"x3" firm foam works great!
Very good product
Joseph Faust | May 31st, 2019
Prompt shipping great product A+
3/8" firm charcoal foam
Lorin | May 9th, 2019
Great, fast service, exactly what I needed to make a storage container for model locomotives and rolling stock. Firm, light and easy to cut.