Udderly Quiet® Class A™ Pyramid Acoustic Foam 4″ White (Case of 8)

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Udderly Quiet® Class A™ Pyramid Acoustic Foam 4″ White (Case of 8)


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Weight 17 lbs
Dimensions 2 ft. x 2 ft.
Thickness 4 in.
Coverage 32 sqft.
Quantity Case of 8
Color White
Fire Rating Class A™
Availability Usually ships in 7-14 business days

Udderly Quiet® Class A™ Pyramid 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™ Pyramid 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. Where large numbers of people congregate, Class A™ products should be used over polyurethane foams. Class A™ Pyramid Acoustic Foam has a 3D pyramid pattern which not only improves the sound absorbing performance by increasing surface area, but has an attractive professional look. Pyramid Acoustic Foam enhances the listening experience and improves recording environments.


Engineered for Performance — The pyramid pattern was designed to increase surface area, ultimately increasing the acoustic performance. Udderly Quiet® Class A™ Pyramid Acoustic Foam absorbs sound generated at low, mid and high frequencies. The Noise Reduction Coefficient (NRC) of Class A™ Pyramid foams are comparable to polyurethane Pyramid foam products.

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

Ease of Installation — Udderly Quiet® Class A™ Pyramid 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™ Pyramid Acoustic Foams are modular, which means pyramid products can be mixed by size and color. The finished appearance of the pyramid pattern will appear seamless. Class A™ Pyramid products are available in bright white and light gray.

Architectural Interest — The 3D, pyramid pattern of the Udderly Quiet® Class A™ Pyramid Acoustic Foams create a visually unique environment.

Flammability — Udderly Quiet® Class A™ Pyramid 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™ Pyramid 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 24 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
  • Computer
  • Equipment Enclosures
  • Equipment Rooms
  • Gymnasiums
  • Gun Ranges
  • Home Recording Studios
  • Home Theaters
  • Industrial Facilities
  • Professional Theaters
  • Professional Recording Studios
  • Warehousing facilities


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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.

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