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Peacemaker® 3.2mm Sound Insulation Roll - 2' x 25'

how to soundproof a room, soundproof walls, sound insulation
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Peacemaker Sound Insulation - Effective Soundproofing Insulation from Sound Proof Material

Peacemaker by Audimute is a sound barrier used to reduce transmission of sound through walls, floors and ceilings. Peacemaker sound insulation offers superior noise reduction and moisture protection. Peacemaker sound insulation is ideal for soundproof walls, apartments, multi-family residences, condos, commercial installations, studios, theatres and more.

Peacemaker by Audimute is made with recycled rubber. It is an eco-friendly alternative to mass loaded vinyl! A question often asked is how to soundproof a room and how difficult will it be with Peacemaker? Soundproofing a room is quite manageable with Peacemaker . Audimute provides simple, step-by-step instructions for installing Peacemaker.
  • 2' wide x 25' long - Covers 50 sq. ft.
  • Peacemaker’s superior resilience will not compress over time, decreasing results.
  • How to soundproof a room - hang for wall & ceiling applications.
  • Lay loose for floating floor applications.
  • Dissipates moisture reducing potential harm to other structural components.
  • For flooring - Peacemaker may be glued to the sub floor and the finished floor may be glued to the underlayment for glue down applications.
  • Choose Peacemaker for sound insulation that really works!

Comparisons are often made between mass loaded vinyl (MLV) acoustic barriers and Peacemaker acoustic barriers.  In discussing the similarities and differences between Peacemaker and MLV, it’s important to emphasize the importance of balancing quality and affordability when shopping for acoustic barriers.

Overall, Peacemaker acoustic barriers offer superior value to customers.  Also, unlike vinyl acoustic barriers, Peacemaker is made from natural and recycled materials, making it an environmentally friendly choice.  Peacemaker acoustic barriers are moisture and mold resistant and dense enough to lay or hang flat between walls, floors or ceilings.  

So why choose Peacemaker acoustic barriers over MLV?

  • Price - MLV indeed may be more effective but it’s also extremely expensive, making it overkill for most projects
  • Ease of Installation - lighter, more flexible product makes Peacemaker easy to install and less expensive to ship
  • Green Product - Peacemaker is made from recycled tires, making it an eco-friendly choice for your immediate environment and the greater one as well

To find out more about Peacemaker acoustic barriers, visit or give us a call at 866-505-MUTE.

Click Below for Peacemaker Installation Instructions in Printable PDF Format                           

Click to Download
Typical Wall Installation Guide

Looking to soundproof a new wall with Peacemaker Sound Barrier?  Check out our Typical Wall Installation guide to find instructions, tips & recommended materials for installing Peacemaker in new walls.

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Wall Layering Installation Guide

Have existing walls that need soundproofing? Learn how to install Peacemaker on top of existing walls by watching our Wall Layering Installation video or downloading the Peacemaker Install Guide above.

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Floor Installation Guide

Learn how to soundproof your floor to prevent structural noise & vibration.  Watch our Installation video or download the Floor Installation Guide for instructions, tips & recommended materials for soundproofing a floor.

Customer Reviews


I love the way the studio sounds! I installed the Peacemaker on the wall and then applied another layer of drywall on top of it to make the room very solid. This process combined with the wall pads helped to remove the outside sounds and keep the sound on the inside even tighter...Andre Harris

I'm very satisfied with Peacemaker. My original product choice was on backorder for almost 2 weeks. I had made the decision to cancel, since I was holding up my contractors. Mallory was very helpful and upgraded me to a similar product that shipped that very day. I was grateful, and everything arrived 2 days later. Thank you!

I am multi-talented musician who liked playing music since i was a pre-teen. I never had to worry much about my hobby until my sister family her newborn baby needed to place to stay to get back on her feet. I have always heard of soundproofing but never considered it, because I thought it was unaffordable, difficult to setup or skeptical may not work as good as advertised. I spent many months looking into what would work best for me, I don't remember how i came across Audimute but I am happy I have found this great discovery! I am on an extremely tight budget but I am happy to know that I can build cheap effective sound reducing room one step at a time. Pros: Peacemaker sound insulation is hefty and durable. I experimented double layering my hollow core door with peacemaker with an inch overlap, with single layer in between the gaps to helps seal up the door a little more, It has made a great difference. On two walls with the peacemaker I feel less vibration in the wall. Con: I can think of is it was a lot heavier than I though it would be, so getting started and doing installation by yourself takes a little more time than if you had a partner. -Faustino Fabela

Audimute products are easy and simple and they get the job done right!! As soon as Peacemaker 3.2 and Sound Absorption Sheets were installed, you could hear and feel the difference in the vocal booth. I was amazed how effective these products are.

My name is Mike and I am a music producer/engineer. Since my recording studio is in my home, I needed something to kill sound for recording vocals. I heard about Audimute and looked into it and thought it looked great, so I purchased the Peacemaker product and Absorption Sheets and had outstanding results. Pros: Low cost for the amount you get, easy to install, great at keeping sound out Cons: I have no cons about this product! If I ever need soundproofing products again for any situation, I will be shopping at Audimute. Thanks Audimute!

Installed the Peacemaker membrane in the ceiling. It drastically reduced the sound projecting from the rehearsal space.

2 mm Peacemaker Product Specifications:

  • 50 sq. ft. roll (24" wide)
  • Composition: Processed Rubber Granules. Polymer Binding Agent
  • Recycled Content: 82%
  • Thickness: 2 mm (5/64")
  • Roll dimensions: 2' x 25'
  • Weight - Roll: 22lbs
  • Chemical Behavior: Water resistant. Resistant to numerous diluted acids & alkaline solutions. Chemically neutral
  • Temp Stability: -30°C up to + 80°C in resting conditions
  • Density: 45 lbs/ft3  ASTM D-3676
  • Sound Transmission Class:          
         STC = 11 - 1 layers stapled to 4’x8’ frame of 2"x2" pine wood
         STC= 18 - 2 layers stapled to 4’x8’ frame of 2"x2" pine wood

 3.2 mm Peacemaker Product Specifications:

  • 6 sq. ft. segments (24" wide), 50 sq. ft. roll (24" wide), 100 sq. ft. roll (48" wide), 1600 sq. ft. roll (24" wide)
  • Composition: Processed Rubber Granules. Polymer Binding Agents.
  • Recycled Content: 82%
  • Thickness: 3.2 mm
  • Length: 3 ft. (1 yard / .914 m), 25 ft. (7.62 m). roll, 800 ft (243.8 m) contractor roll
  • Weight - 6 sq. ft. = 2 lbs., 50 sq.ft. roll = 35 lbs, 100 sq.ft. roll = 66 lbs., 1600 sq.ft. roll = 1000 lbs (not including pallet and packaging)
  • Appearance: Solid black in color, flat surface top and bottom
  • Chemical Behavior: Water resistant. Resistant to numerous diluted acids & alkaline solutions. Chemically neutral.
  • Temp Stability: -30°C up to + 80°C in resting conditions
  • Sound Transmission Class: STC = 19 - 1 layer stapled to 4'x8' frame of 2"x2" pine wood

6.4 mm Peacemaker Product Specifications:

  • 50 ft sq. Roll (24i in x 25ft), 4.65 m. sq. (0.61m x 7.62m) - 6.4mm (1'/4" thick)
  • Composition: Processed Rubber Granules. Polymer Binding Agents.
  • Recycled Content: 82%
  • Thickness: (1/4")
  • Length: 25 ft., 7.62 m. roll
  • Width: 24", 0.61 m. standard
  • Weight: approx. 53 lbs
  • Appearance: Black in color, flat surface top and bottom
  • Chemical Behavior: Water resistant. Resistant to numerous diluted acids & alkaline solutions. Chemically neutral
  • Impact Isolation Class: IIC = 55 - single layer

Environmental Chamber Report for Rubber - Emission Factor at 24 Elapsed Exposure Hours

Targets Analyzed

 AQS Measured Values

 IAQ Guidelines/Criteria



 1.0 mg/m2xhr



 .30 mg/m2xhr

 Butylated Hydroxytouluene


 .05 mg/m2xhr



 .05 mg/m2xhr




 Benzene, chloro



 2-Pentanone, 4-methyl
(Methyl isobutyl ketone, MIBK)



Fire Safety

Peacemaker has been tested in accordance with Consumer Products Safety Commission FF 1-70 Pill Test as a standard to determine the surface burning of materials when exposed to small scale burning source. Peacemaker has passed the test, self-extinguished with no measurable flame spread.  For floor applications, thermal barrier and structural requirements are met by using either a raft thickness of 5/8" or more of plywood or 1 ½" of gypsum concrete.  Always check with local building codes regarding installation of all building components. ended materials for soundproofing a floor.

Peacemaker Sound Lab Reports - Independently Tested

 Click here to view test results for 2 mm Peacemaker noise barriers.
 Click here to view test results for 3.2 mm Peacemaker noise barriers.
   Click here to view test results for 6.4 mm Peacemaker isolation material.

Consider Peacemaker noise barriers for your next DIY soundproofing project. Peacemaker products are eco-friendly and cost-effective flexible rubber noise barriers available in various thicknesses. Ideal for DIY soundproofing, apartment soundproofing, commercial installations, studio and home theatre soundproofing and much more.

Please note: You cannot add STC ratings together to obtain estimated STC ratings in a partition/wall configuration.  For example, the addition of Peacemaker sound insulation (2 mm.) will increase the STC of a wall by estimated 2-3 points, whereas the addition of Peacemaker (3.2 mm) will increase the STC rating by estimated 4-5 points. Adding double layers of each material further reduces the transmission of sound, by as much as an  estimated 10 points when using the 3.2 mm insulation.  STC does NOT provide enough information about a material’s isolation properties.

Peacemaker Noise Barriers and Isolation Material - STC Test Results

Peacemaker 2mm (single layer) - Noise Barriers =11
Peacemaker 2mm (double layer) - Noise Barriers
Peacemaker 3.2mm (single layer) - Noise Barriers
Peacemaker 3.2mm (double layer) - Noise Barriers
 =estimated 26-28         

Peacemaker 6.4 mm* (designed for lower frequency applications)


*Independently tested by the Steelcase Acoustical Test Lab and Riverbank Acoustical Lab.

*Note: Peacemaker 6.4 is a product designed for structural noise reduction and decouples drywall and flooring assemblies from studs and joists. While it adds mass to the total STC, it’s primarily effective in stopping vibration and impact in flooring applications, walls, subwoofer applications, all of which have lower frequencies.

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