2" Pyramid Foam

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2 inch pyramid foam is effective against standing waves and flutter echoes in most small-to-medium sized rooms like vocal booths, control rooms and studios. It also functions as a full-frequency bandwidth absorber for any size room when used in conjunction with corner bass absorbers and male/female broadband absorbers.

Foam Colors Available

Acoustical Performance Data
Overall NRC: 0.45
2 Inch Pyramid Performance Graph
To view the full PDF report of our acoustical test results, see the resources section (below).

Flammability Test Results
Classification: Class A
Flame Spread Index: 25
Smoke Developed Index: 250


Acoustical Performance Data: NRC Ratings for Pyramid Foam
Leading Competitor Comparison: Acoustic Foam Product Comparisons
Flammability Test Results: ASTM-E84
Physical Data Sheet: Acoustic Foam
Frequently Asked Questions: FAQ
How To: How To Use Spray Adhesive with Acoustic Foam (PDF)


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

Color Availability
Size and quantity selections will affect color option availability.

Pyramid vs. Wedge Absorption
To create the pyramid style, this foam must pass through our machine twice, resulting in a higher cost than the wedge for a more visually pleasing product. With less overall mass than our wedge foam, it provides about 76 percent as much absorption than the wedge, but has a better diffusion rate.

Write a Review

Great Product
Drew Thompson | February 17th, 2021
Shipped quickly, well packed and expanded in a very short time. Solid foam and I can vouch is fire retardant, especially compared to the cheap cr@p from Amazon I wasted my money on first. With a blow torch this foam will hardly light and will not continue to burn, the cheap foam ignites from a match and burns rapidly. Only complaint was the pyramids are not cut to a perfect 4 sided point and they alternate direction. This means if they are all hung in the same orientation they appear at different angles. For this reason I would recommend staying away from the 2'x4' sheets and stick with squares. Other than that this is the best option to cover a theatre ceiling without having to mud and sand (I hate ceilings).
Great experience - I ordered $450 of the 2" pyramid acoustic foam in several sizes and colors. Order shipped quickly, and came packed VERY tight in one heavy package the size of a microwave. Upon unpacking, the foam fully retained its original shape withi
John Nussmeier | December 5th, 2019
2 inch pyramid acoustic foam: (4) 72 x 48 burgundy (2) 72 x 48 charcoal (6) 48 x 24 charcoal (6) 48 x 24 burgundy