• SmartSHIELD - 20mm Reflective Foam Insulation Roll - White/Foil
  • SmartSHIELD - 20mm Reflective Foam Insulation Roll - White/Foil
  • SmartSHIELD - 20mm Reflective Foam Insulation Roll - White/Foil
  • SmartSHIELD - 20mm Reflective Foam Insulation Roll - White/Foil
  • SmartSHIELD - 20mm Reflective Foam Insulation Roll - White/Foil
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SmartSHIELD - 20mm Reflective Foam Insulation Roll - White / Foil

$114.95 USD
$200.00 USD
$114.95 USD
-43%

Description

SmartSHIELD 20mm white film reflective insulation features closed-cell polyethylene foam between an engineered foil and a white plastic film, providing reliable thermal protection. It blocks 96% of radiant energy and reduces heat transfer, helping to regulate indoor temperatures and lower energy costs. Made from non-toxic, non-carcinogenic materials, it is safe for use in both hot and cold climates. With a 0.8-inch thickness, it offers an R-18 value for long-lasting temperature control.

SmartSHIELD - 20mm Reflective Foam Insulation Roll - White/Foil
SmartSHIELD - 20mm Reflective..
  • Product Details
  • Materials
  • Application
  • Technical Specs
  • Shipping Info

SmartSHIELD 20mm white film is built to handle heat like a pro. With a polyethylene foam core and dual layers of engineered foil, it forms a powerful thermal shield. The white film reflects up to 96% of radiant heat, while the closed-cell foam traps air to block heat transfer through conduction and convection. This dynamic duo helps keep your space cooler in the summer, warmer in the winter, and your energy bills lower all year long.

This high-quality SmartSHIELD 20mm white film is built to last, resisting moisture and preventing mold growth while withstanding everyday wear and tear. Its non-toxic, non-carcinogenic design is safe for any space, and with an R-18 rating, it maintains stable indoor temperatures year-round.

Looking for maximum thermal protection? Upgrade your project with our premium reflective insulation roll - designed for long-lasting performance in the toughest conditions.

Designed for easy handling, SmartSHIELD 20mm white film is lightweight, flexible, and simple to install. It bends around corners and fits into tight spots, making it a go-to for DIY projects in attics, walls, crawl spaces, and garages. Plus, its tear-resistant build ensures long-term durability, even in harsh conditions.

Discover our full range of reflective foam insulation or browse through our 20mm reflective foam insulation options to find the perfect fit for your project!

SmartSHIELD combines a 20mm closed-cell polyethylene foam core with engineered foil layers on both sides. The white film and foil layers deliver 96% radiant heat reflection, while the foam core provides R-18 thermal resistance.

SmartSHIELD 20mm white film is versatile and works across a range of building applications, including:

  • Residential Spaces: Attics, walls, and crawl spaces
  • Commercial Structures: Steel buildings, pole barns, and Quonset huts
  • Flooring & Foundations: Concrete floors, foundation walls, and radiant heating systems
  • HVAC & Plumbing: Water tanks, pipes, and air ducts
  • Specialty Uses: Radon barriers and moisture protection
  • Temperature-Controlled Areas: Wine cellars and cold storage
  • Outdoor Applications: Swimming pools and other exposed structures
  • Dimensions:
    • 48" x 10ft
    • 48" x 25ft
    • 48" x 125ft
  • Thickness: 20mm (0.8 inches).
  • R-Value: R-23 to R-29, depending on installation (indicates high thermal resistance for energy savings).
  • Fire Rating: Class 1 / Class A, safe for homes and businesses.
  • Moisture Resistance: Waterproof and resistant to mold growth

TECHNICAL SPECIFICATIONS -SmartSHIELD -20mm / EN20

SmartSHIELD Insulation Measures and Tolerances of the Standard Product

Thickness: 20 mm

Technical Characteristics of the Product

THICKNESS: 0.8 (in) ± 7%

LENGTH: 0,98 (ft)

WIDTH: 4,0±0,032 (ft)

TECHNICAL CHARACTERISTICS OF THE PRODUCT

CHARACTERISTICS

VALUE

STANDARD

FOAM CELL STRUCTURE

CLOSED

-

EFECTIVE WIDTH

4 ft

-

AVERAGE WEIGHT

0.1264 lb/ft2

-

THERMAL CONDUCTIVITY

0.0186 Btu/ft.h.°F

ASTM C 518

WATER VAPOR PERMEANCE

0.011 PERMS (IMPERMEABLE)

ASTM E 96-05

FLAME INDEX

0

ASTM E-84-10

SMOKE DEVELOPMENT

0

ASTM E-84-10

EMITANCE

0.04

ASTM C-1371-04

FUNGI RESISTANCE

NO GROWTH

ASTM C 1338

ADHESIVE PERFORMANCE

NO BLEEDING/NO DELAMINATION

ASTM C-1224

TEMPERATURE AND HUMIDITY RESISTANCE

NO CORROSION/NO DELAMINATION/NO LOSS OF METALIZATION

ASTM C-1258-08

PLIABILITY

NO CRACKING/ NO DELAMINATION

ASTM C-1224

TEMPERATURE RANGE

-22 °F/180 °F

ASTM C-1224

TENSILE STRENGTH AT BREAK (MD)

23.8 lbf/in

ASTM D-638

UV RESISTANCE

500 HOURS (0,21Btu/ft2,122°F)

ASTM D-638

R VALUE (HEAT FLOW DOWN)

A: 23 B: 29 (ft2h.°F/Btu)

ASTM D-638
  • Same day FREE shipping.
  • Comes in a compact roll for easy handling.
  • 60-day money-back guarantee.

Customer Reviews

Based on 4 reviews
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Y
Yoni
easy to work with

no instructions but i called the customer service and asked how. phone was answered by a knowledgeable friendly human being. after installing it i cant feel the heat coming thru my garage door anymore. i bought this as a test to make sure it works and it does. ill be buying more to do my RV door.

M
Mr.R
Superior stuff!

At 48” we ripped the rolls in half and didn’t even need staples, it just pushed into place with this custom tool I found in garage. Razor knife, chalk line. . . No mess, No itch.The cost for spray foam was bout 4k and thisMaterial was 1,400 for a 14x25 shed.

User picture
L
L. Smith
Wrapped our above ground pool with this.

I've been challenged by the cooler nights and keeping our above-ground pool to remain swim-worthy as we move toward winter. I had to purchase two rolls of this product to wrap our 9'x17' soft sided pool, and there is a gap on both ends where our ladder/platform sits and the end where the tubes go in and out, but it made a difference immediately in helping maintain the temperature longer than leaving it as is had done. It's now too past the season (once nighttime temps hit the 40s, it's over), but I know this product will help my pool get back into the swim zone earlier than usual once Spring time arrives. Glad I took the plunge on this one!

G
G
Makes great insulating panels for RV windows.

Cut up panels for my RV windows to insulate them from the inside, this SmartShield 20mm thickness works great for that, and the small panels on 6 windows made a huge inside temp difference when the heater is running and it is below freezing outside. The 20mm gives it some strength and rigidity when cut in 32x18 panels. I'm quite pleased with how well it insulates. Although for just RV window coverings the 25' roll is way too much material, will find other uses for it, I'm sure.

FAQ

SmartSHIELD 20mm white film insulation has an R-value of up to R-18 with a single layer and up to R-25 with two layers

Yes, for optimal performance, a reflective foil insulation requires an air gap of at least 3/4 of an inch on one side.

Yes, while both reflect radiant heat, they differ in design and application. Radiant barriers are typically thin materials installed in attics to reflect heat away from living spaces, whereas reflective insulation combines reflective surfaces with insulating materials to reduce heat transfer through radiation, conduction, and convection.

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