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Quiet Barrier™ HD (w/PSA) Soundproofing Material (Sheet)

9830 in stock



Noises are emitted from a variety of sources during the day: televisions, stereos, traffic, radios, construction and even ordinary conversations generated by those passing by. Our Quiet Barrier™ HD (w/PSA) soundproofing material helps you pack a powerful punch in your noise reduction spaces.

Customers boast about the miraculous properties of our Quiet Barrier™ soundproofing family of products — that’s why they’re our bestsellers. As a favored product, Quiet Barrier™ HD (w/PSA) soundproofing material wonderfully outperforms your prior soundproofing expectations. These 4’x8’ sheets are high in density, engineered with non-porous ultra sound absorbent material.

Soundproofing Material for Any Application

Our high-density soundproofing material with adhesive installation means you can get back to work in silence sooner. Whether you’re desiring silence outside your room or want to keep the noise inside, it won’t take long to have your Quiet Barrier™ HD (w/PSA) soundproofing material installed. Our Quiet Barrier™ products are offered in a variety of forms.

Order your soundproofing material with pressure sensitive adhesive (PSA) that makes installation as simple as peeling the product off the label and sticking them onto their desired location. If you have a specific area needing soundproofing material that doesn’t fit typical dimensions and measurements, request customized shapes and sizes to better suit your needs.

Don’t just take our word for it, look at the facts. More than 1.5 million Quiet Barrier™ products have made their way into projects nationwide. With so many customers reaping the benefits of advanced and specially crafted technology, place your order to experience your own superior noise reduction today.

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* This product is not eligible for promotional offers



Dimensions 4 ft. x 8 ft.
Thickness 1/4 in.
Weight 64 lbs.
Coverage 32 sqft.
Pressure Sensitive Adhesive Yes
Quantity 1 sheet
STC Rating 32
Availability Usually ships in 1-3 business days
Technical Data Product Data Sheet
Installation Step-by-Step Instructions



Quiet Barrier™ HD (w/PSA) soundproofing material (1/4 in. 2 lb./sqft.) 20 ft. roll is a high density, non porous material that exhibits a non-resonant quality due to its flexible nature, and is one of our most popular soundproofing products. The Quiet Barrier™ family products control noise by blocking the transmission of sound energy and damping vibrations caused by sound energy.

Product Availability

Special Order Sizes and Thicknesses are available.

For details, call 1-866-949-9COW.

Features / Benefits

Dual soundproofing function — The mass of Quiet Barrier™ blocks sound while its flexible nature dampens sound energy, giving improved acoustic performance over competitive rigid products.

Value — Pound for pound, Quiet Barrier™ products have better noise reduction characteristics than steel and other building materials.

Low Profile — Valuable square footage is maximized. Quiet Barrier™ MD is only 1/8 in. thick and Quiet Barrier™ HD is 1/4 in. thick saving space and money.

Variety — Quiet Barrier™ soundproofing products are available in a variety of lengths and widths. Also, some Quiet Barrier™ products are available with a “peel and stick” pressure sensitive adhesive (PSA). Custom shapes and sizes available upon request.

In-stock — We stock all advertised sizes and configurations of Quiet Barrier™ in large quantities. Most products are shipped the same day they are ordered and arrive at your project in three business days.

Proven History — Over 1.5 Million square feet of Quiet Barrier™ soundproofing products have been installed in projects nationwide.

Made in the USA Made of 15% Recycled Materials

*Made of 15% Recycled Materials


Great for the Construction Industry:

  • Broadcast Studios
  • Commercial Recording Studios
  • Commercial Theaters
  • Homes Theaters
  • Multi Family Dwellings
  • Offices
  • Recording Studios
  • Restaurants
  • Single Family Dwellings

Great for the Automotive Industry:

  • Trunk Liners in Automobiles
  • Floor Pan Liners in Automobiles

Great for the Marine Industry:

  • Cabin Carpet Underlayment
  • Cabin Wall Liner
  • Hull Liners

Which Quiet Barrier™ soundproofing product is right for me?

Quiet Barrier™ can be added to a variety of common wall / ceiling constructions to improve the sound blocking performance of the structure. Choose the right Quiet Barrier™ product based on the type of noise you are trying to prevent from entering or leaving the space. Quiet Barrier™ products perform well when trying to deter common noises with average decibel levels. These noises can be generated from voices, TV’s and stereos. If noise levels are higher than usual, typically from loud stereo systems, home theater or recording studio environments, then other products used in conjunction with Quiet Barrier™ may be necessary.

If you are trying to prevent common conversations or voices from entering or leaving a space, then choose Quiet Barrier™ MD. If you are trying to prevent TV and stereo noise from entering or leaving a space, then choose Quiet Barrier™ HD.

How Quiet Barrier™ works:

Quiet Barrier™ products block the transmission of noise from one area to the next. The “noise source” hits the barrier and is reflected back into the room or space of origin. See figure 1. Typically, the noise is not muffled or absorbed in any way, which means that decibel level within the source room remains the same or is increased. The difference between the source noise and the transmitted noise is the sound transmission loss.

Quiet Barrier Diagram

Acoustic Data


Product Wall Assembly Description STC* OITC*
Quiet Barrier™ HD 2 x 4 wood stud, 16 in. on center,
receive side: 1 layer 5/8 type X gypsum,
Quiet Barrier™ HD, sound isolation clips and channel
source side: 1 layer 5/8 type X gypsum
Quiet Batt™ 30, R 13 insulation unfaced

*STC = Sound Transmission Class * OITC = Outdoor Indoor Transmission Class

Installation Details

Tools Needed: Drill, Level, Utility Knife, Chalk line, Hammer or Pneumatic Roofing Nail gun and Compressor, Tape Measure, Pencil

Materials Needed: Acoustical Sealant, Quiet Barrier™ Tape, 1.25 inch Roofing nails (or 1.25 inch drywall screws)

Installation PDF

Quiet Barrier™ Install

"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, LA