--- product_id: 403909813 title: "INSULATION MARKETPLACE SmartSHIELD -3mm 48 inchx100Ft ReflectiveINSULATION roll, Foam Core Radiant Barrier, ThermalINSULATION Shield - Engineered Foil" brand: "insulation marketplace" price: "¥146220" currency: JPY in_stock: true reviews_count: 5 category: "Insulation Marketplace" url: https://www.desertcart.jp/products/403909813-insulation-marketplace-smartshield-3mm-48-inchx100ft-reflectiveinsulation-roll-foam-core store_origin: JP region: Japan --- # Vapor barrier prevents condensation Reflects 95% radiant energy 3mm foam core, easy to cut & install INSULATION MARKETPLACE SmartSHIELD -3mm 48 inchx100Ft ReflectiveINSULATION roll, Foam Core Radiant Barrier, ThermalINSULATION Shield - Engineered Foil **Brand:** insulation marketplace **Price:** ¥146220 **Availability:** ✅ In Stock ## Summary > 🛡️ Shield your space, save your energy, and stay ahead of the heat game! ## Quick Answers - **What is this?** INSULATION MARKETPLACE SmartSHIELD -3mm 48 inchx100Ft ReflectiveINSULATION roll, Foam Core Radiant Barrier, ThermalINSULATION Shield - Engineered Foil by insulation marketplace - **How much does it cost?** ¥146220 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/403909813-insulation-marketplace-smartshield-3mm-48-inchx100ft-reflectiveinsulation-roll-foam-core) ## Best For - insulation marketplace enthusiasts ## Why This Product - Trusted insulation marketplace brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Premium Foam Core:** 3mm closed-cell polyethylene foam core delivers superior insulation without bulk or weight. - • **Energy Bill Savior:** Slash your utility costs by minimizing heat transfer in summer and retaining warmth in winter. - • **Effortless Installation:** Lightweight, flexible roll that’s easy to cut and fit anywhere—from attics to concrete floors. - • **Ultimate Radiant Defense:** Reflects up to 95% of radiant heat, keeping your space cool or cozy year-round. - • **Moisture-Proof Performance:** Advanced vapor barrier technology stops condensation and resists humidity for lasting durability. ## Overview The INSULATION MARKETPLACE SmartSHIELD is a commercial-grade, 3mm thick reflective insulation roll featuring a closed-cell polyethylene foam core sandwiched between engineered foil layers. It reflects 95% of radiant energy, acts as a vapor barrier to prevent moisture buildup, and is lightweight and easy to install. Ideal for attics, walls, floors, and more, it enhances thermal efficiency and reduces energy bills while being non-toxic and durable. ## Description THIS IS NOT A CHEAP DOUBLE BUBBLE REFLECTIVE INSULATION, WE HAVE A SUPERIOR QUALITY REFLECTIVE FOAM CORE INSULATION, FOAM CORE RADIANT BARRIER, COMMERCIAL GRADE!!! WHERE TO INSULATE? Attics, Ceilings, Walls, Steel Buildings, POLE BARNS, 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. Review: Bueno. - Donde vivo llegamos a temperaturas de 40-43 grados, y con este aislamiento en las ventanas logré que la temperatura bajara y la habitación no se calentara tanto. Lo compré principalmente para que uno de mis perros no sufra con el calor (es pastor alemán), y si he notado como pasa mejor noche. Review: Good Quality product - Easy to cut into the required lengths. Have used it on the inside of a garden shed but will have to wait till next week when the temp will be in the high 30's to see if it helps.. was delivered before due date. ## 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. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0843JRFVR | | Best Sellers Rank | #1,186 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2 in Weatherproofing Window Insulation Kits | | Brand | INSULATION MARKETPLACE | | Brand Name | INSULATION MARKETPLACE | | Coverage | Unrolled, this product has an area of approximately 3. | | Customer Reviews | 4.6 out of 5 stars 7,235 Reviews | | Item Dimensions L x W | 142.24L Meters | | Item Thickness | 3 Millimeters | | Item thickness | 3 Millimeters | | Manufacturer | Insulation MarketPlace LLC | | Manufacturer Part Number | 270 | | Material | Polyethylene (PE) | | Material Type | Polyethylene (PE) | | Model Number | SmartSHIELD -3mm - Polyester | | Product dimensions | 142.24L Meters | | Recommended Uses For Product | Insulation, Thermal Protection, Radiant Barrier, Heat Reduction in Attics, Ceilings, Walls, and Steel Buildings, Temperature Regulation Concrete Floors, Roofing, Block Energy Efficiency, Condensation Prevention, Sound Insulation | | Recommended uses for product | Insulation, Thermal Protection, Radiant Barrier, Heat Reduction in Attics, Ceilings, Walls, and Steel Buildings, Temperature Regulation Concrete Floors, Roofing, Block Energy Efficiency, Condensation Prevention, Sound Insulation Recommended uses for product Insulation, Thermal Protection, Radiant Barrier, Heat Reduction in Attics, Ceilings, Walls, and Steel Buildings, Temperature Regulation Concrete Floors, Roofing, Block Energy Efficiency, Condensation Prevention, Sound Insulation See more | | UPC | 686091709338 | | Unit Count | 1 Count | ## Product Details - **Brand:** INSULATION MARKETPLACE - **Item thickness:** 3 Millimeters - **Material:** Polyethylene (PE) - **Product dimensions:** 142.24L Meters ## Images ![INSULATION MARKETPLACE SmartSHIELD -3mm 48 inchx100Ft ReflectiveINSULATION roll, Foam Core Radiant Barrier, ThermalINSULATION Shield - Engineered Foil - Image 1](https://m.media-amazon.com/images/I/91yTfRHtBsL.jpg) ![INSULATION MARKETPLACE SmartSHIELD -3mm 48 inchx100Ft ReflectiveINSULATION roll, Foam Core Radiant Barrier, ThermalINSULATION Shield - Engineered Foil - Image 2](https://m.media-amazon.com/images/I/81WKBZhkaCL.jpg) ![INSULATION MARKETPLACE SmartSHIELD -3mm 48 inchx100Ft ReflectiveINSULATION roll, Foam Core Radiant Barrier, ThermalINSULATION Shield - Engineered Foil - Image 3](https://m.media-amazon.com/images/I/8127frhSiSL.jpg) ![INSULATION MARKETPLACE SmartSHIELD -3mm 48 inchx100Ft ReflectiveINSULATION roll, Foam Core Radiant Barrier, ThermalINSULATION Shield - Engineered Foil - Image 4](https://m.media-amazon.com/images/I/81IrcSutbvL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: This might be weird but can u sew it and it hold the stitching well?** A: I sewed mine to curtains for my skoolie and it worked great the thread wanted to slip through foam so I had to make a few extra knots on end but overall worked well **Q: how thick is it?** A: Foam is 3mm thick. **Q: How much does it weigh compared to traditional reflectix?** A: It is probably half the weight. It is very effective, very light, thinner than the bubble types, and can be used in many ways. I use it as windshield covers, either inside or outside, for our car and I even use it for a very effective insole and canting shim for my ski and snowboarding boots. **Q: Would this insulation work on the bottom inside of a greenhouse window?** A: It reflects the sun away , it's very very thin . If that is what you are trying to do is reflects the sun out then it may work ## Customer Reviews ### ⭐⭐⭐⭐⭐ Bueno. *by M***O on 19 October 2023* Donde vivo llegamos a temperaturas de 40-43 grados, y con este aislamiento en las ventanas logré que la temperatura bajara y la habitación no se calentara tanto. Lo compré principalmente para que uno de mis perros no sufra con el calor (es pastor alemán), y si he notado como pasa mejor noche. ### ⭐⭐⭐⭐⭐ Good Quality product *by B***T on 22 December 2022* Easy to cut into the required lengths. Have used it on the inside of a garden shed but will have to wait till next week when the temp will be in the high 30's to see if it helps.. was delivered before due date. ### ⭐⭐⭐⭐⭐ Excellent performance and easy to install—raised basement area by 15 degrees F! *by C***S on 6 February 2021* 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. ## Frequently Bought Together - INSULATION MARKETPLACE SmartSHIELD -3mm 48 inchx100Ft ReflectiveINSULATION roll, Foam Core Radiant Barrier, ThermalINSULATION Shield - Engineered Foil - TapePlus 1 Pack Professional Grade Aluminum Foil Tape - 2 Inch by 210 Feet (70 Yards) - Perfect for HVAC, Sealing & Patching Hot & Cold Air Ducts, Metal Repair, and Much More - Aluminum Foil Tape, 2 inch x 65 Feet (3.9 mil), Insulation Adhesive Metal High Temperature Heavy Duty HVAC Tape, Silver for Ductwork, Dryer Vent, HVAC --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/403909813-insulation-marketplace-smartshield-3mm-48-inchx100ft-reflectiveinsulation-roll-foam-core](https://www.desertcart.jp/products/403909813-insulation-marketplace-smartshield-3mm-48-inchx100ft-reflectiveinsulation-roll-foam-core) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-07-19*