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Johns Manville Insulation Duct Solutions

Johns Manville Insulation & Duct Solutions
Johns Manville® • Insulation & Duct Solutions

Johns Manville® Insulation & Duct Solutions

Superior thermal control and airflow efficiency with Johns Manville® insulation and duct products — built for professional HVAC performance.

Thermal control
High-performance insulation reduces heat loss and gain.
Airflow efficiency
Duct products designed for proper airflow and low resistance.
Contractor-ready
Built for pro installs and service durability.
Wide range
Insulation, duct liner, flex duct, and accessories.

Insulation and duct solutions for performance and durability

Johns Manville® is a trusted name in HVAC insulation and duct products, known for thermal efficiency, airflow control, and long service life. From rigid board insulation to duct liner and flexible duct, these products help your system perform efficiently and quietly.

Proper insulation reduces heat transfer and energy loss, while quality duct solutions improve airflow and reduce noise. Professionals rely on Johns Manville for dependable materials that stand up to daily use.

Need help selecting the right insulation or duct product? Share your application and we’ll help match the best solution for performance and compliance.

Fast match checklist
Provide: application (duct insulation, cavity insulation), dimensions, airflow requirements, and environment (crawlspace/attic/wall).

What you’ll find here

  • Rigid and board insulation
  • Duct liner and flex duct
  • Insulation accessories
  • Duct products to improve airflow
Rigid board insulation
High R-value for energy control.
Duct liner
Improve airflow and reduce noise.
Flex duct
Easy routing for tight spaces.

Related Categories

HVAC Insulation
Thermal and acoustic solutions.
Duct Solutions
Products for airflow and system efficiency.
HVAC Accessories
Hardware, mounts, and install essentials.

Johns Manville Insulation & Duct Solutions — FAQs

Why is insulation important?

Insulation reduces heat transfer, lowers energy loss, and helps maintain consistent temperature and comfort.

What does duct liner do?

Duct liner improves airflow, reduces noise, and provides thermal separation inside ductwork.

Can I mix insulation types?

Yes — choose products designed for your application, whether cavity, duct, or flex duct needs.