SKU: EF-RBI-72-750-RRSE-DB

Double Bubble Reflective Insulation (Foil/Foil) 6'x125' - 750 sq ft

Double Bubble Reflective Insulation (Foil/Foil) 6'x125' - 750 sq ft!

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Bubble Foil Insulation

SKU: EF-RBI-72-750-RRSE-DB

Double Bubble Reflective Insulation (Foil/Foil) 6'x125' - 750 sq ft

$399.00
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Min. order quantity: 2
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Widths:

Lengths:

75' 125'

Specifications

Width: 6'
Length: 125'
Thickness: 1/4"
Finish: Foil/Foil
Description

EcoFoil Double Bubble Foil Insulation is engineered for use in pole barns, metal buildings, basements, crawl spaces, and storage areas that experience wider temperature swings. This insulation combines a reflective radiant barrier with two layers of polyethylene bubbles, forming an internal air gap that limits temperature transfer between surfaces. The double-bubble design helps reduce frost and condensation in cold climates, while the thin, lightweight construction (approximately 1/4" thick) installs quickly with basic tools.

Radiant Heat Control for Pole Barns & Metal Structures

Double Bubble Foil Insulation reflects 94% of radiant heat, helping maintain more stable indoor temperatures throughout the year. Radiant barriers function differently than traditional insulation—they reflect heat instead of absorbing it—making them an effective companion to fiberglass or spray foam when enhanced energy performance is needed. When installed with an air gap, the reflective qualities work year-round to reduce heat gain in summer and limit heat loss in winter.

Moisture Protection & Vapor Barrier Performance

When all seams and joints are sealed with reflective tape, the insulation forms a continuous vapor barrier that helps block moisture movement. This added protection is essential for preventing mold, corrosion, and material degradation in high-humidity or unconditioned spaces. Note that Double Bubble Foil Insulation is not intended for under-slab applications; for concrete or radiant floor systems, use EcoFoil Under Slab Insulation.

Key Features

  • Dual-bubble thermal core: Creates an air gap that reduces heat transfer and limits condensation.
  • 94% heat reflection: Radiant barrier surface improves temperature control in moderate and cold regions.
  • Acts as a vapor barrier: Seal seams to block moisture and protect building materials.
  • Thin and lightweight: Approximately 1/4" thick for fast handling and installation.
  • Versatile building use: Ideal for pole barns, metal buildings, basements, crawl spaces, and storage units.
  • Enh
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× WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects and other reproductive harm. For more information visit: www.P65Warnings.ca.gov.

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Bubble Foil Insulation

× WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects and other reproductive harm. For more information visit: www.P65Warnings.ca.gov.

Customer Reviews

Based on 41 reviews
90%
(37)
5%
(2)
2%
(1)
0%
(0)
2%
(1)
D
Donald Lewis

Double Bubble Insulation - White/Foil - 4' x 25' (100 sq ft)

G
Gerhard Hempfling

Double Bubble Reflective Insulation (White/Foil) 4'x75' - 300 sq ft

H
Hamish Hafter
Change in Material

I actually prefer the prior Double Bubble White for my purposes and the change from 125' to 75' has increased the price. Are you still going to sell the prior material?

E
Elizabeth Sawyer

Double Bubble Insulation - White/Foil - 4' x 25' (100 sq ft)

D
Daniel Harris
Great service, easy and reliable

Great service, easy and reliable