QL Aircraft Noise Control Barriers for Cabin & Structural Noise Reduction

What Are QL Aircraft Noise Control Barriers?

QL aircraft noise control barriers are lightweight acoustic barrier materials designed to reduce airborne noise and structural vibration in aircraft interior environments. Built to perform in confined and complex aircraft structures, QL high-performing acoustic materials support quieter, more comfortable cabin environments without adding unnecessary weight or compromising durability. Their flexible construction allows them to conform to irregular surfaces and tight installation spaces across a range of aircraft interior assemblies.

What Are the Key Benefits of QL Aircraft Noise Control Barriers?

QL noise control barrier materials offer several performance and compliance advantages for aerospace acoustic applications:

• Lightweight construction that keeps added weight low without sacrificing attenuation performance
• Thermoset dimensional stability across wide temperature ranges and mechanical stresses
• Flexible enough to conform to irregular surfaces and tight installation spaces
• Full compliance with FAR 25.856(a) flammability requirements

Where Are QL Aircraft Noise Control Barriers Used?

QL materials are used across a range of aircraft interior applications that require control of airborne noise and structural vibration. Common installation environments include:

• Cabin sidewalls, floors, and bulkhead assemblies
• Engine and auxiliary system noise attenuation
• Tight and complex aircraft spaces

How Do You Select the Right QL Noise Control Barrier?

Selecting the appropriate QL material depends on the specific acoustic and installation requirements of your application. Key factors that influence barrier thickness and configuration selection include:

• Target noise frequencies and the attenuation performance required
• Available installation space and the geometry of the application area
• Weight and performance constraints specific to your aircraft program
• Pressure-sensitive adhesive (PSA) requirements for applications needing adhesive backing for installation

If you're unsure which QL configuration is right for your application, our aerospace materials specialists can assist with product selection and application-specific guidance.

Available QL Aircraft Noise Control Barrier Materials

Rathbun stocks QL aircraft noise control barrier materials in both standard and PSA-backed configurations. Available products include:

• QL-20: .024" rubber barrier, available in 4.5 ft x 10 ft and 4.5 ft x 150 ft rolls
• QL-20 / PSA350: .024" rubber barrier with pressure-sensitive adhesive, available in 4.5 ft x 150 ft rolls
• QL-40: .048" rubber barrier, available in 4.5 ft x 10 ft and 4.5 ft x 150 ft rolls

Full pricing and specifications are listed in the product table above.

Order Aircraft Noise Control Barrier Materials from Rathbun

Contact us today to learn how Rathbun can be your supplier for QL aircraft noise control barrier materials. You can also request a quote to get started on a custom order. Looking for other high-performance material solutions? Browse our full line of Aearo products.
 

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Frequently Asked Questions

What is the difference between QL-20 and QL-40?

QL-40 offers increased thickness for higher noise attenuation, while QL-20 provides a lighter-weight option for space- or weight-constrained applications.

Is QL suitable for business and VIP aircraft interiors?

Yes. QL materials are commonly used in business, VIP, and commercial aircraft interiors where cabin comfort and regulatory compliance are required.

Does QL meet aerospace flammability standards?

Yes. QL aircraft noise control barriers comply with FAR 25.856(a) flammability requirements.

Can QL be supplied with pressure-sensitive adhesive?

Yes. Select QL products are available with PSA for easier installation.