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Insul-EZ
Insul-EZ 4ft x 4ft Foam Insulation Sheet with Adhesive Backing

Insul-EZ 4ft x 4ft Foam Insulation Sheet with Adhesive Backing

Best price now

$267.50at MorElectricHeating.comObserved at 3:17 PM

Compared across 2 stores. Prices are checked against each store and labelled with when.

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Our take on the Insul-EZ 4ft x 4ft Foam Insulation Sheet with Adhesive Backing

Insul-EZ is a 4 ft x 4 ft sheet of closed-cell foam insulation with a peel-and-stick backing, 3/4 in thick and rated R-3.0. It is a thin, flexible thermal barrier for ducts, pipes, panels and cold surfaces, rated from -297°F to 220°F. The best new price is $18.88 at eBay as of November 4, 2026, the lowest of three stores listing it new. At that price it is a cheap way to try a small area before buying a full roll.

Best forWrapping ductwork and pipe runsInsulating cold or hot panels and tanksSmall patch jobs and repairsDIYers who want peel-and-stick install
Pros
  • Peel-and-stick backing speeds installation
  • Works across a very wide temperature range
  • Flexible foam cuts easily with a knife
  • 4 ft x 4 ft sheet covers 16 sq ft
  • Low entry price at $18.88
Cons
  • R-3.0 is modest; you need layers for real R-value
  • Only 3/4 in thick, so it is not a stand-alone wall insulation
  • Adhesive can fail on dusty or oily surfaces
  • Single sheet, not a roll, so large jobs need several

Insul-EZ 4ft x 4ft Foam Insulation Sheet with Adhesive Backing prices at every store

  • WalmartNew

    In stockSold by BriskHeat

    $288.00+ $7.49 shippingObserved at 3:17 PM
    Visit store
  • MorElectricHeating.comNew

    Availability unknown

    $267.50Observed at 3:17 PM
    Visit store

Also available at

  • eBayCheck price at eBay

Insul-EZ 4ft x 4ft Foam Insulation Sheet with Adhesive Backing price history

Lowest price we've seen: $267.50 on Nov 4 at MorElectricHeating.com. Tracked across 2 stores since Nov 4.

About the Insul-EZ 4ft x 4ft Foam Insulation Sheet with Adhesive Backing

BriskHeat 3/4" InsulEZ, 48" X 48" Sheet Peel & Stick Insulation

Specifications

R-Value
3.0Source
Thickness
3/4 in (2 cm)Source
Sheet Size
48 in x 48 in (122 cm x 122 cm)Source
Usage Temperature Range
-297°F to 220°F (-183°C to 105°C)Source
Water Vapor Transmission
0.05 perm-inchSource
Thermal Conductivity
0.25 BTU-in/hr. ft² °FSource
Weight
99 lbsSource
Type
Thermal Type

Questions and answers

Is R-3.0 enough insulation?
For ducts, pipes and small gaps, yes as a first layer. For walls or attics you would need multiple layers or a thicker product to reach typical R-values.
What surfaces does the adhesive stick to?
Clean, dry, smooth surfaces like metal duct, plastic and painted panels. Dust, oil or moisture will weaken the bond, so wipe the surface first.
Can it handle cold pipes or hot ducts?
Yes. It is rated from -297°F to 220°F, which covers most refrigeration lines and HVAC ductwork.
How much area does one sheet cover?
One sheet is 4 ft x 4 ft, or 16 square feet at 3/4 in thick. Buy several sheets for larger runs.
Is $18.88 a good price?
It is the best new price among the three stores listing it as of November 4, 2026. Compare per-square-foot cost against rolls if you need a lot.
Where is the Insul-EZ 4ft x 4ft Foam Insulation Sheet with Adhesive Backing cheapest?
At MorElectricHeating.com, for $267.50, as of our latest check.
Where can I buy the Insul-EZ 4ft x 4ft Foam Insulation Sheet with Adhesive Backing?
3 stores we checked sell it, including MorElectricHeating.com, Walmart, eBay.

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Buying guides that pick the Insul-EZ 4ft x 4ft Foam Insulation Sheet with Adhesive Backing

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