Reflectix 4′ x 50′ x 5/16″ Duct Wrap Insulation Roll R4.2 HVAC

Reflectix 4′ x 50′ x 5/16″ HVAC Duct Wrap Insulation Roll – R4.2

Reflectix Insulation is constructed with two outer layers of highly reflective metalized polyester bonded to polyethylene for durability and strength. The internal bubble core reduces conductive heat flow while reflecting up to 96% of radiant heat.

Designed specifically for HVAC applications, this roll is ideal for insulating rectangular and round ductwork, duct liner applications, return air panning, pipe insulation, crawl spaces, and attic installations.

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Specifications:

• Roll Size: 4 ft x 50 ft (200 sq ft coverage)

• Thickness: 5/16″

• R-Value: R-4.2 (Direct Contact – ASTM C236)

• Fire Rating: Class A / Class 1

• Tested: ASTM E84, ETL Certified, ICC

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Applications:

✔ HVAC duct insulation (supply & return)
✔ Duct liner for acoustical dampening
✔ Radiant floor applications
✔ Crawl space & attic insulation
✔ Wall insulation enhancements

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Key Benefits:

• Reflects 96% of radiant heat

• Reduces condensation on duct systems

• Improves energy efficiency

• Flexible and easy to cut

• Installs with standard foil tape

• Lightweight and non-toxic

• Saves installation time and labor cost

Perfect for HVAC contractors, builders, remodelers, and energy-efficiency upgrades.