INSULATION MARKETPLACE SmartSHIELD -3mm 48 inchx100Ft ReflectiveINSULATION roll, Foam Core Radiant Barrier, ThermalINSULATION Shield - Engineered Foil
Condition: New
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Availability:
In Stock.
Arrives
Wednesday, Aug 6
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Size: 48"x100ft
Features
- EXTREMELY EFFECTIVE - reflects 95% of radiant energy, perfect RADIANT BARRIER.
- VAPOR BARRIER - prevent condensation, unaffected by humidity and moisture.
- SAVE MONEY- effectively low the amount of heat transferred into the home in the summer an out of the home in the winter. Great reflective material that can stop radiant heat transfer. Save big on your utility bill.
- SUPREME QUALITY - 3mm closed cell polyethylene FOAM (not a bubbles) sandwiched between highly reflective Engineered Foil on both sides. Easy to install, easy to cut, strong but lightweight.
- NON TOXIC - will not irritate skin, eye or throat. Non allergic.
Material: Polyethylene (PE)
Brand: INSULATION MARKETPLACE
Coverage: 48 square feet
Item Thickness: 3 Millimeters
Recommended Uses For Product: Attics, Ceilings, Walls, Steel Buildings, Roofing, Concrete Floor, Radiant Heat in a Concrete Floor, Radiant Heating Under a Wood Floor, Cathedral Ceiling, Water Heater Tank, Radon Barrier, Water Pipe and Air Duct, Reflective Ceiling System, Behind a Hot Water Radiator, Crawl Space, In Ground Swimming Pools, Shed, Fish & Hunting Shelter, Cooling Room, Cold Chamber or Wine Cellar, Concrete Block Wall, Cavity Wall for Metallic Studs in Commercial Buildings, Foundation Wall, Above Ground Swimming Pools, Quanset Hut, House Wrap See more
Product Dimensions: 1200"L x 48"W
Manufacturer: Insulation MarketPlace LLC
UPC: 686091709338
Part Number: 270
Item Weight: 8.67 pounds
Item model number: SmartSHIELD -3mm - Polyester
Size: 48"x100ft
Item Package Quantity: 1
R value: 15.00
Batteries Included?: No
Batteries Required?: No
Date First Available: June 16, 2015
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Aug 6
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: 24" x 50ft
I used this to insulate a small area of my basement for indoor seed starting. Previously that area was very cold, and had effectively no insulation between it and an outdoor crawl space (aside from a few semi-loose plywood boards), and the area was also on top of a big poured concrete pier/slab thing. So basically, the air was around 50 F in the winter and the surfaces were cold. Also, drafts (outside air) came in from the crawlspace through slits between boards. This is despite all the seed starting gear (lights, heating mats, etc.). In previous years I have even put a small space heater down there in an attempt to try to get the soil up to 60 F+, which is where I want it to start things like sunflowers. So I bought a 50-foot roll of this stuff and cut three 14-foot strips of it. I tacked one long strip along the area that meets the crawlspace. (Used a staple gun—not sure if that's the right choice, but it's what I had.) I also laid a long piece on the concrete surface (no attachment, just laid it down and put plant mats directly on top of it), then added a third piece that ran between that surface bit and up to the wall/crawlspace interface. I stapled the that third piece onto a wooden beam, and used packing tape to attach the lower pieces where drafts were trying to blow through. This allowed a mostly leak-free insulation shield about 6 feet "high" by around 14-ish feet wide. I put back the same temperature monitor that had read 50, and within a few minutes it was up to 55. Hmm. That's good. After I reinstalled all the seed starting stuff (a few low-power heating mats, four low-power LED lights), the temperature went up to 65 degrees and stayed stable (!!). I have seen a few dips overnight down to 62, but in general this area that was consistently 50 degrees F (WITH lights and heating pads) is now mostly 65 and up (at one point it reached 70, which is actually pushing it as far as seed starting is concerned). The space heater is gone—it would be way too hot at this point, and in fact I'm considering adding a fan or something, triggered in case the temp gets close to 70, just to circulate some of the heat away. For the price, I'm extremely impressed. This stuff definitely created a thermal barrier between the super-cold cement block that the seedlings sat on—that block is such a huge mass that there's no way a heating pad is going to ever warm it up (remember, we're in a basement and this is essentially a secondary foundation wall that just happens to be super wide). The insulation also created at least a basic vapor barrier on the interface w/crawlspace, blocking a lot of drafts and little gaps. The fact that it's so thin and easy to work meant I could also tack it up around edges and corners, which is where the drafts were the worst. I know this isn't really designed to be the only insulation in this use case (I might have been better off installing batts of fiberglass, and would certainly do so if I were trying to treat an entire basement), but it's cheaper, MUCH smaller, MUCH easier to work with, AND you can wipe it down (within reason—it IS possible to rip the shiny surface). If you're looking for something very thin with a good radiant shielding effect, this is it. The only downside I can think of is that the material is thin. While this is usually a positive, you do need to be careful with it, as it's possible to rip the foil layer and have it start peeling off. That's different from a lot of other kinds of insulation (fiberglass batts, foam board, spray...) where the material itself is real tough and workable. This is thin and precise—install accordingly.
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Reviewed in the United States on February 6, 2021 by Chris Higgins
Size: 48" x 10ft
This product was great during the winter months when my family was living in our RV full time. Definitely kept the warmth inside. Very lightweight and super easy to install.
Reviewed in the United States on July 9, 2025 by SRobinson
Size: 48" x 10ft
Smart and easy to install. My 50 gallon tank is 48” tall so I only needed to cut the width of this insulation. I measured around the tank and then cut the required length. Taped the 1 edge at the top of the tank and cut around the spout near the bottom. I then attached the other end of the length and secured the edges. I then measured insulation and cut for the top of the tank and secured it. All done. It probably took about 20 minutes tops. I’ll give a 5 star review, if this actually helps get me “hot” water for my home as it has been very warm, not hot. To be fair, my water comes from my cistern system, so we’ll see. The last hot water tank gave me “hot” water.
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Reviewed in the United States on February 16, 2025 by Diane Diane
Size: 24"x25ft
Why did you pick this product vs others?: This seemed like a good thickness and easy to cut to size. I am happy with how easy it was to place in my windows. I cut then made a tunnel at one end by folding over and taping it down. A tension rod slid through tunnel and holds in place where the sun sets. Helps my room not be quite as hot. They are easily removed to let light in. Also good for blocking some cold during winter. Other use was to cut a length to wrap around a large plant pot for winter. Helped insulate plant roots and keep from too much cold damage. Ease of use: Very easy to cut to size
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Reviewed in the United States on July 14, 2025 by Len
Size: 48" x 10ft
The house I bought 3 years ago, came with a monogram Fridge and just a bunch of MONOGRAM products that were/are on their last leg being 15+ years old. Already having put like $5k in repairs, I decided, to wait (thanks to recent world events) to buy a new proper fridge and found a more budget friendly option via Chest Freezer Converters. THIS is where this product comes in. THE SHORT: IT WORKS AND IS GREAT. Pros: -Thin but DENSE. Has your standard Mylar on both sides, which is nice since some of these are actually ONE SIDED (weird), but uses an actual FOAM core. The Lowe's option uses bubble wrap. While being half as thick as the bubble wrap mylar option, has a way better insulation rating thanks to its foam core. -Given how thin it is, means it's super easy to cut. Cons: -While minor, is annoying; the tape used is that cheap cellophane tape and it does tear when removing it, and is also near impossible to see on this. Solution; thin masking tape. How I used it: Bought a 7ft Chest Freezer for $200, proper fridge starts at $500. Then at Walmart saw they made MINI kitsch milk crates for the desk. Bought 12 of those, four fit together in the bottom of the freezer and two on the ledge. BUT, them on their own wasn't good enough for refrigeration purposes. They, having holes in them, meant they cooled and heated quickly, risking spoiling foods faster when I opened the chest freezer each time. That's where this came in. Lined the inside of the crates with this stuff and now don't have to worry about the foods spoiling as quickly. Conclusion: Should have bought two rolls. Since man did I burn through this way quicker than expected. Would recommend. Won't add too much bulk, will add some insulation (obviously the thicker the stuff the better) to your projects, and is easy to cut/manipulate.
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Reviewed in the United States on December 15, 2021 by Alex Beyer