F&L R6 Johns Manville Duct Insulation Panel - HVAC Thermal Fiberglass Insulation for Sheet Metal Duct Systems (1.5in x 24in x 48in)
F&L R6 Johns Manville Duct Insulation Panel - HVAC Thermal Fiberglass Insulation for Sheet Metal Duct Systems (1.5in x 24in x 48in)
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F&L R6 Johns Manville Duct Insulation Panel - HVAC Thermal Fiberglass Insulation for Sheet Metal Duct Systems (1.5in x 24in x 48in)

|5 ratings

Key item features

  • Acoustic Performance: Designed to absorb mid- to high-frequency sounds, these fiberglass insulation boards reduce echo, reverb, and noise transfer in various environments.
  • Thermal Protection: High R-value fiberglass helps maintain consistent indoor temperatures by reducing heat loss through walls, ceilings, and HVAC duct systems.
  • Versatile Sizing: Available in 1", 1.5", or 2" thick panels, and convenient 24"x24" or 24"x48" formats for flexible installation.
  • Durable Construction: Engineered with a dense fiberglass core and firm edges for clean cuts, precise fits, and long-term structural stability.
  • Broad Application: Ideal for soundproofing studios, acoustic treatment, HVAC duct lining, wall cavity insulation, and commercial acoustic barriers.
  • Easy Installation: Lightweight and easy to cut, handle, and install, making them suitable for contractors, builders, and DIY users.
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Specs

Insulation type, Fiber InsulationInsulation thickness, 1.5 inMaterial, FiberglassRecommended use, Walls, WindowRec location, WindowBrand, F and L Aluminum Parts Store

About this item

Product details

Upgrade your acoustic and thermal control with F&L Fiberglass Board Sound Absorbing Insulation Panels, designed for superior sound absorption, energy efficiency, and multipurpose performance. Built with high-density fiberglass, these panels deliver exceptional results by reducing echo, minimizing airborne noise, and enhancing room acoustics in studios, offices, home theaters, classrooms, basements, and HVAC systems. In addition to their soundproofing qualities, they provide excellent thermal resistance, helping maintain stable indoor temperatures and improving energy efficiency in both residential and commercial spaces. Perfect for duct systems, ceilings, and behind drywall installations, these boards are engineered for long-lasting performance in demanding environments. Available in multiple sizes and thicknesses (1", 1.5", and 2" | 24"x24" and 24"x48"), they are lightweight, easy to cut, handle, and install, making them a smart choice for contractors, builders, and DIY users. Whether for noise control, insulation, or both, F&L panels are the all-in-one solution for reliable, professional-grade results.
  • Superior Acoustic Performance – Designed to absorb mid- to high-frequency sounds, these fiberglass insulation boards reduce echo, reverb, and noise transfer in any environment.
  • Multi-Layer Thermal Protection – High R-value fiberglass helps maintain consistent indoor temperatures by reducing heat loss through walls, ceilings, and HVAC duct systems.
  • Available in Multiple Sizes & Thicknesses – Choose from 1", 1.5", or 2" thick panels in convenient 24"x24" or 24"x48" formats for flexible installation across projects.
  • Rigid, Durable Construction – Engineered with dense fiberglass core and firm edges for clean cuts, precise fits, and long-term structural stability in residential or commercial settings.
  • Versatile Application – Ideal for soundproofing studios, acoustic treatment, HVAC duct lining, wall cavity insulation, and commercial acoustic barrier needs.
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Specifications

Insulation type

Fiber Insulation

Insulation thickness

1.5 in

Material

Fiberglass

Recommended use

Walls, Window

Warranty

Warranty information

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Showing 1-2 of 2 reviews

Jun 6, 2026
Reviewer name: Vibhu
Walmart Associate
Sold and shipped byF&L Industries
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Insulation for HVAC

Quality product, easy installation

Incentivized Review
Helpful?0UFLFO1C8U7C18146059876
Nov 2, 2026
Reviewer name: buddy
Sold and shipped byF&L Industries
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Repair

Standard HVAC duct, worked great and smaller quality then supply house which is what I needed. Repairing a rental property HVAC box

Incentivized Review
Helpful?0UFLFO1C8U7C18146059876
Current price is $41.99
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Sold and shipped by F&L Industries
3.5 out of 5 stars
3.5 stars out of 5, based on 4 seller reviews(3.5)
Extended holiday returns
Free Holiday returns until Jan 31