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US Energy Products Reflective Foam Core Insulation, 24 in x 25 ft

US Energy Products Reflective Foam Core Insulation, 24 in x 25 ft

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$44.44at AmazonObserved at 3:43 PM

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Our take on the US Energy Products Reflective Foam Core Insulation, 24 in x 25 ft

This is a 24-inch by 25-foot roll of reflective foam core insulation from US Energy Products, sold as a radiant barrier blanket for ducts and other surfaces. It pairs a reflective foil face with a foam core and fiberglass reinforcement, so it blocks radiant heat rather than adding much bulk R-value. The roll covers about 50 square feet. At $44.44 at Amazon as of November 4, 2026, it is the only new price listed, so there is no recent range to compare against.

Best forWrapping HVAC ducts and pipesAttic radiant barrier and joist baysGarage doors and metal buildingsDIY weatherizing on a budget
Pros
  • Foil face reflects radiant heat, useful in attics and on ducts
  • Foam core is light and easy to cut with a utility knife
  • Fiberglass reinforcement adds tear resistance
  • 24-inch width fits common joist and duct spacing
  • About 50 square feet per roll for under $45
Cons
  • Thin foam core gives low conductive R-value on its own
  • Fiberglass content means gloves and eye protection are needed
  • Foil can crease and tear if handled roughly
  • Edges need foil tape to seal seams properly
  • Not a substitute for batt insulation in cold climates

US Energy Products Reflective Foam Core Insulation, 24 in x 25 ft prices at every store

  • AmazonNew

    Availability unknown

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    $44.44+ $4.99 shippingObserved at 3:43 PM
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US Energy Products Reflective Foam Core Insulation, 24 in x 25 ft price history

Lowest price we've seen: $44.44 on Nov 4 at Amazon. Tracked across 1 store since Nov 4.

What reviewers say

Buyers of this type of reflective foam roll generally report it goes up fast and cuts easily, and that it helps on hot attic surfaces and duct runs. Complaints center on the thinness of the foam and the need to tape every seam for it to work.

Pros
  • Easy to cut and install
  • Light enough for one person to handle
  • Noticeable difference on hot ducts and attic ceilings
  • Holds up better than plain bubble foil
Cons
  • Foam is thinner than expected
  • Fiberglass edges itch and shed
  • Needs foil tape, which is not included
  • Low R-value if used alone

Specifications

Thermal Type
Blanket
Material
Fiberglass
Use
Duct
Type
Reflective Type
Reflective Type
Radiant Barrier

Questions and answers

Is this worth it for wrapping ducts?
Yes, for sealing and reflecting heat off exposed duct runs in attics or crawlspaces. It works best over ducts that already have some insulation, not as the only layer.
What R-value does it have?
The foam core is thin, so the conductive R-value is low, roughly in the R-3 to R-5 range depending on thickness. Its main job is blocking radiant heat, not replacing batt insulation.
How much area does one roll cover?
A 24-inch by 25-foot roll covers about 50 square feet. Measure your duct or joist run and add 10 to 15 percent for overlaps and seams.
Do I need special tools or tape?
A utility knife, straight edge, gloves and eye protection are enough to cut it. Use foil tape on seams and edges; regular duct tape will not hold long term.
Can it go directly against a hot surface?
Keep a small air gap between the foil face and the hot surface where the manufacturer allows it. Check local code for clearance around flues and heat-producing equipment.
When is the price lowest?
Reflective insulation tends to dip in fall and winter, outside the summer attic season. At $44.44 at Amazon as of November 4, 2026, it is the only new listing, so watch for a second seller before assuming a discount.
Where is the US Energy Products Reflective Foam Core Insulation, 24 in x 25 ft cheapest?
At Amazon, for $44.44, as of our latest check.

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