Udderly Quiet® Class A™ Anechoic Acoustic Foam 3″ Gray (Case of 5)

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Udderly Quiet® Class A™ Anechoic Acoustic Foam 3″ Gray (Case of 5)

Udderly Quiet® Class A™ Anechoic Acoustic Foam is made from flame resistant, acoustic foam. Choose this acoustic foam product for applications or buildings that require a Class A™ rating for exposed materials. Class A™ Anechoic Acoustic Foam is perfect for areas that have high temperatures or where sparks may fly. Our Class A™ foams are made with open celled, acoustic melamine. This product was specially created to give excellent noise absorption qualities, while offering something else other foams can’t …a Class A™ flammability rating. Environments where large numbers of people congregate demand Class A™ products rather than flammable polyurethane foams. Class A™ Anechoic Acoustic Foam reduces echo within any environment, and it’s double convoluted texture adds architectural interest.

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Weight 17 lbs
Dimensions 2 ft. x 4 ft.
Thickness 3 in.
Coverage 40 sqft. (8 sqft./sheet)
Quantity Case of 5
Color Gray
NRC Rating 1.1
Fire Rating Class A™
Availability Usually ships in 7-14 business days


Udderly Quiet® 3” Gray Class A™ Anechoic Acoustic Foam is an all-purpose soundproofing solution that can help you manage high-, medium- and low-frequency sounds, including unwanted bass, reverberations and echoes even in areas where flammability is a concern.

Whether you are soundproofing a recording studio, warehouse, gym, medical facility, home theater or any other sound-sensitive environment, there will be some situations where the building containing the area you need to soundproof has stricter than normal fire codes for exposed materials.

What this means is that your location may be more susceptible to sparks, high heat or other conditions that could cause combustion in sensitive materials. Polyurethane foam is great at absorbing sound, but is not highly flame-resistant, so it may not meet your building’s code requirements.

These panels are made not of polyurethane, but of open-celled acoustic melamine foam. This is a material that has a Noise Reduction Coefficient equivalent to a similar panel of polyurethane foam, but will not combust from sparks, as it has a Class A fire rating and considerable heat resistance. In fact, our Class A 3” gray anechoic foam panels have heat resistance up to 482 degrees Fahrenheit and can withstand consistent temperatures of 320 degrees Fahrenheit.

Our panels are a neutral gray color with a distinctive 3D double-convoluted pattern that should blend in perfectly with any surface you need to soundproof. Three inches of foam provide plenty of sound protection, while the five 2’ x 4’ panels in each case is enough to provide 40 square feet of soundproofing.

The panels are a snap to install. You will only need basic tools that you probably already have on-hand, as well as some construction adhesive to stick them in place. You’ll be able to enjoy clean, clear sound and communication almost immediately.

We’re ready to help you solve your soundproofing problem right now, so order your cases of Udderly Quiet® Class A™ 3” Gray Anechoic Acoustic Foam today.


Engineered for performance — The Anechoic pattern was designed to increase surface area, ultimately increasing the acoustic performance. Udderly Quiet® Class A™ Anechoic Acoustic Foam absorbs sound generated at low, mid and high frequencies and have an equal to or higher Noise Reduction Coefficient (NRC) then polyurethane anechoic products.

Quality — Udderly Quiet® Class A™ Anechoic Acoustic Foams are made with high quality melamine foam. This foam is consistent in density and firmness so acoustic performance will also be consistent.

Ease of Installation — Udderly Quiet® Class A™ Anechoic Acoustic Foams are light weight and can be attached to a variety of surfaces. No special tools or materials are needed.

Personalization — Udderly Quiet® Class A™ Anechoic Acoustic Foams are available in bright white and light gray.

Architectural Interest — The 3D, double convoluted pattern of the Udderly Quiet® Class A™ Anechoic Acoustic Foams creates a visually unique environment.

Flammability — Udderly Quiet® Class A™ Anechoic Acoustic Foams are manufactured from melamine foam that has a Class A™ flammability rating. This product passes most building code flammability requirements for exposed materials.

Not just for Professional Studios — Udderly Quiet® Class A™ Anechoic Acoustic Foams can be used almost anywhere reverberation (echo) is an issue and heat or potential sparks are a concern. This product is heat resistant to 482º F and is able to withstand constant temperatures up to 320º F.

Product Availability


  • 24 in. x 48 in.
  • 48 in. x 48 in.
  • 48 in. x 96 in.

Need a thickness or size not listed above? Custom thicknesses and sizes are available, please call 1-866-949-9COW for details.



  • Auditoriums
  • Broadcast studios
  • Clean Rooms
  • Computer
  • Equipment Enclosures
  • Equipment Rooms
  • Gymnasiums
  • Gun Ranges
  • Home Recording Studios
  • Home Theaters
  • Industrial Facilities
  • Medical Facilities
  • Professional Theaters
  • Professional Recording Studios
  • Warehousing facilities


FREQUENCY 125 250 500 1K 2K 4K NRC*
3 INCH .13 .74 1.26 1.18 1.12 1.03 1.10

* NRC = noise reduction coefficient

Customer Reviews

Average Customer Ratings: 4.8 (34 reviews)

The times I talked with you on the telephone and corresponded through email you have been very helpful and efficient. I would highly recommend Soundproofcow.com to anyone!

– S. Cimino, PA

I have emailed a lot of different manufactures and I have to say your customer service is head and shoulders above all of them. I emailed your company at about 9pm my time and when I woke up the next morning you had already answered my question and then the follow up was a few hours later. I am impressed. Thanks a lot for the quick turn around!

– E. Gustafson, NV

I just wanted to send a quick thank you for your rapid response and helpfulness. I very much appreciated it. You have been responsive in every way all through the process. It has been a pleasure doing business with you and your company.

– T. Alexander, CA

I just wanted to let you know that in the end, sealing the air spaces on this door worked just fine and took care of the problem.

I really appreciate you taking so much time to share your expertise with me, and in particular recommending I try the simpler solution before investing in more expensive noise barriers. That is a big credit to you and your business.

– Mike

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