Quiet Lag

  • Easy Install

  • Energy Savings

  • Class Aâ„¢ Flammability Rating

  • Made in USA

Quiet Lag

Quiet Lag Composite is a fiberglass soundproof blanket with exceptional acoustic properties that reduce loud noises. Whether you work in construction or manufacturing, this fiberglass composite solution will prove very useful for your soundproofing needs. Developed with our proven Quiet Barrier™ soundproofing material and mechanically bound with a reinforced mylar facing — Quiet Lag is a Class A™ panel that delivers reliable soundproofing.

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$50.00$95.00

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Specifications  
Weight 42 lbs
Dimensions 2 ft. x 2 ft. OR 2 ft. x 4 ft.
Thickness 1 in.
Weight 2×2 ft. = 4 lbs., 2×4 ft. = 8 lbs.
Coverage 2×2 ft. = 4 sqft., 2×4 ft. = 8 sqft.
Quantity 1 sheet
STC Rating 29
Availability Usually ships in 7 to 10 business days

Features of Quiet Lag

Quiet Lag Composite is a fiberglass sound insulation product designed to soundproof various areas in a space, including walls and ceilings. These products are designed with a faced flexible acoustic mass barrier thermally bonded to an insulated acoustic fiberglass decoupling layer. Here are some other key features and benefits to note when choosing our Quiet Lag solution:

  • Multipurpose composite materials
  • Flexibility, versatility and formability
  • Available with polyester film facing
  • Available in 1-pound mass-loaded vinyl (MLV)
  • Offered in standard sizes, including 23.75 inches by 23.75 inches and 23.75 inches by 47.75 inches
  • Produced in several variations for specific application requirements
  • Class A flammability rating per ASTM E-84
  • Sound transmission class (STC) ratings of 29

Applications of Quiet Lag

Our Quiet Lag soundproof fiberglass solution can be used to prevent noise transmission through:

  • Drop or suspended ceilings
  • Pipes
  • Floors
  • Fences
  • Waste pipes
  • Fan housings
  • Valves
  • Ducts
  • Interior walls of residential HVAC closets

With easy installation, you can place Quiet Lag panels virtually anywhere to keep your soundproofing secure.

Easy to Install for Your Soundproofing Requirements

This fiberglass soundproofing barrier is an extremely flexible soundproofing solution that can prove very useful in locations such as construction sites or warehouses — where you can place it over a noisy machine to block sound that could be distracting or even harming workers.  It’s available in four-square-foot or eight-square-foot sizes, so it’s simple to get the amount you need.

You can utilize Quiet Lag panels to soundproof pipes, drop ceilings, or walls.  Installation methods vary by application but zip-tie fasteners or reliable soundproofing adhesive, such as our PL® Construction Adhesive are common solutions.  Order our Reinforced Aluminum Tape as well to completely cover up the seams between the composite sheets you install. These one-inch thick fiberglass panels are sturdy and reliable for use in heavy-duty soundproofing project requirements.

Purchase Quiet Lag

If you’ve been searching for a soundproof fiberglass barrier with effective deadening qualities — you’ve found it with Quiet Lag. Our customers rely on our sound insulation products to create tolerable working conditions, reduce noise from heavy machinery and help workers stay focused. Order your Quiet Lag today to see why our customers keep coming back!

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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