When acoustic performance is a requirement, QuietSwing doors are the answer. 

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Ideal for Masonry Construction, Single Wall or Double Wall Drywall Construction...

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Ground Mounted or Rooftop Applications for any place noise is a problem, QuietLine is the solution.

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Swing Doors

Swing Doors

Sliding, Lifting, or Glass Doors

Sliding, Lifting, or Glass Doors

Specialty Doors

Specialty Doors

Sound Control Window Systems

Sound Control Window Systems

Barrier Walls

Barrier Walls

Audiometric Exam Rooms

Audiometric Exam Rooms

Music Practice Rooms

Music Practice Rooms

Test Cells

Test Cells

Modular Enclosures

Modular Enclosures

Sound Absorption Systems

Sound Absorption Systems

Security – SCIF

Security – SCIF

Pre-Assembled Enclosures

Pre-Assembled Enclosures

Bringing the Quiet to life.

Latest News

Latest News: February Webinar Series:  QuietLine Barrier Walls

February Webinar Series: QuietLine Barrier Walls

January 27, 2020 - Noise Barriers offers a wide range of high performance outdoor acoustic barriers and panels as an effective solution to reduce environmental noise pollution. Our QuietLine barrier walls solve a wide variety of environmental noise problems that include transport, utilities, mechanical plant, sporting facilities, industrial sites, manufacturing and distribution. Check out... Read More

Latest News: The Stephens Group Announces the Formation of Catalyst Acoustics Group

The Stephens Group Announces the Formation of Catalyst Acoustics Group

January 21, 2020 - The Stephens Group, LLC ("The Stephens Group") is pleased to announce the formation of Catalyst Acoustics Group ("Catalyst Acoustics"). Read More

Blog Posts

Latest Blog Post: Lean Journey: Introduction

Lean Journey: Introduction

December 21, 2017 - As we get ready to head into the New Year, it comes time to reflect on... Read More

Latest Blog Post: Dyno Test Cell Build Basics

Dyno Test Cell Build Basics

October 3, 2017 - You can't afford to overlook dyno-related technology... Read More