Model # BP48025

Internet #100052556

Store SKU #884247

Reflectix 48 in. x 25 ft. Double Reflective Insulation


48 in. x 25 ft. Double Reflective Insulation

  • Easy to handle and install
  • A wide roll for large projects
  • Multiple residential applications
$4325 /each
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Frequently Bought Together

Product Overview

Reflectix Insulation has over 20 energy-saving applications for around the home. The list of uses includes crawl space, radiant floor, attic and walls. Our product is easy to handle and install. Reflectix requires only basic tools: A stapler, tape measure, utility knife, straight edge and safety glasses. Since our insulation is fiber free, no protective garments or respirators are required.

  • Our energy saving applications include: HVAC ducts, water pipes, garage door, knee walls and water heater
  • R-values range from R-3.7 to R-21 depending on application
  • Inhibits condensation
  • Class A / class 1 fire rating
  • No mess - no itchy fibers
  • Does not promote the growth of mold and mildew
  • Reflects 94%+ radiant energy
  • Will not compress, collapse or disintegrate
  • Durable and lightweight
  • Does not promote nesting for rodents and pests
  • Vapor and radon retarder
  • Not affected by moisture or humidity
  • Additional applications include wall and roof structures in metal and post frame buildings
  • Large rolls for big projects are available through the special order program or on
  • Eco options approved product
  • Manufactured at an ISO 9001:2008 facility
  • How much do you need? Let our calculator help:
    Insulation calculator button

Info & Guides

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Product Length (ft.)
25 ft
Product Thickness (in.)
0.3125 in


Friction Fit
Insulation Type
Radiant Barrier
Product Weight (lb.)
Sheet or Roll

Warranty / Certifications

Warranty Information
Reflectix warrants its products to be free from material and workmanship defects.

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Customer Questions & Answers

can I use this to cover the inside of windows in an RV to keep the sun out for summer storage, or what other product do I use for keeping sun out

Asked by: JB01
I bought myself a box of mylar emergency blankets. I live in Eastern Oregon and it gets hot! Once the sun hits the windows, I cannot even touch the glass. So, I took a spray bottle, filled it with water and a little glue, sprayed the outside of the rv windows, smoothed on the mylar, cut it to the shape of the window. It works fabulous! This is more permanent, it sure keeps the rv cooler. I hardly have to use my air conditioner. Next year, I will buy some shade cloth and make my own window awning covers for the outside. The downside is that you cannot see out the windows, it is darker inside the rv, but for me it was a cheap fix until I could figure out exactly what wanted to use to keep it cooler in y 32 ft 5th wheel.
Answered by: ck
Date published: 2017-07-03

Ceiling joists in garage

I have a radiant heater on the garage wall. Would this work well for reflecting and heating the garage?
Asked by: GarageGuy
Dear GarageGuy: First, the maximum service temperature for Reflectix is just 180 degrees F, so you should keep it well away from your radiant heater. Second, Reflectix and other 'radiant / reflective' barrier products only reflect radiant (infrared) energy -- e.g. the infrared energy emitted by the metal casing of your radiant heater. Air generates very little radiant energy, so it will not 'reflect' the warmth of the air inside your garage. You would need to install standard insulation. Foam board is one of the most effective types of insulation with R-5+ per inch of thickness. Foam board is also very flammable, however, and MUST be covered by 1/2" drywall in any garage, living space, basement or storage area. So we recommend Roxul rock wool in garages. Roxul is much denser than fiberglass, provides R-4 per inch and is not flammable. You can fill the stud and joist bays in your garage with Roxul ComfortBatt, and add a layer of Roxul Comfortboard over the studs and joists to break the 'thermal bridges' to the wood. For a finished surface, install drywall over the ComfortBoard. See: Roxul ComfortBatt: Model # RXCB351525, Home Depot Internet #202090820 Store SKU #974419 Roxul ComfortBoard: Model # RXCB11224, Home Depot Internet #206789748 Store SKU #1001748089 I hope this is helpful, Mark
Answered by: BvilleBound
Date published: 2016-11-26

What is the max heat that it will hold up to.i am looking to line the walls of my smokehouse. 200 degrees max.

Asked by: Aaron
This is a plastic based product that is not designed to stand up to heat. I would not consider this for your specific application. You could consult with your local Home Depot store clerk for better ideas or products that could help. Good luck.
Answered by: Kirk
Date published: 2016-11-20

Is this soundproof?

How soundproof is this?
Asked by: Judeth
It may deaden some sound but that's not the intended purpose of this product.
Answered by: Kirk
Date published: 2016-11-25
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Customer Reviews

48 in. x 25 ft. Double Reflective Insulation is rated 4.7 out of 5 by 39.
Rated 5 out of 5 by from Insulation Oven I wish everyone could know the hidden value of this product. I learned about the solar ovens being used by the women of Somalia refugee camps, made with cardboard and reflective tin foil glued to the surface and shaped to reflect the sun onto a dark pot. This has not only freed up hours a day hunting for fire wood but has also kept them from great harm. With a 3'X4' piece of Reflectix I have duplicated their pattern and have cooked several meals with no fuel and little effort. It folds up and can be carried camping or kept for emergencies. At a little over $5.00 each, every one should have one of these in an emergency preparedness kit!
Date published: 2009-05-19
Rated 5 out of 5 by from We love this product! We use this stuff everywhere we can when building/remodeling our old mobile home. It's easy to work with and helps add insulation. This time we put a new roof on our old RV and placed this product underneath the new roof skin. Every little bit helps with these older "beer cans in the Florida sun"! About 10 years ago we rebuild an old VW Bug and used this product to line the floor and roof before new floor carpet and headliner. Even when parked for hours our bug stayed the coolest car in the parking lot. Next project is using this material to make a sun shield/privacy shield for our VW camping van. Why don't we own stock in this company?
Date published: 2015-02-03
Rated 5 out of 5 by from Reflective Insulation really works I had just installed Reflective Insulation throughout my roof attic, unfortunately I could not afford the other expensive ones so I was doubtful for its claim in performance by Reflective Insulation. Suddenly we got hit with a Heat Wave in early summer this was the test, I could not believe that I suffered so many hot summers because of the high cost of insulation and all it took was an easy installation of Reflective Insulation to keep my house cooler and I am sure warmer this coming winter. I know my ultility bills will be much lower this year. Thank You HomeDepot
Date published: 2008-06-09
Rated 5 out of 5 by from DIY radiant barrier Armed with a sharp knife and 1/2" staples/gun, product is very flexible and does not tear. Immediate results noticed while installing as a radiant barrier in the attic. The 4' width is a bit much for a one-man install, but workable: after installing 3 rolls of this in my attic, if I had to do it over again by myself, I'd go with the 2' width roll. Like this product's performance enough to complete my project (I'll need 14 rolls of the 2' stuff).
Date published: 2008-08-20
Rated 5 out of 5 by from Will Make a BIG Difference!! I cannot give enough praise to this product. It has lowered our attic temp by at least 30 degrees or more. Air conditioner does not work as hard to keep up. Even our HVAC tech said that it went from one of the hottest to one of the coolest attics. I have two gable vent fans that are set to kick on at 100 degrees.....they have yet to come on this summer (we have had a few days in the upper 90's). I am reluctant to write such a good review.....afraid someone will jack the price up on it. Two notes of interest. A 4 X 100 ft roll is available online....that is the way to go. Much cheaper. Don't buy the Reflectix brand foil tape to tape the seams. The HVAC section at HD has much larger rolls for a little more. will be much easier to install with 2 workers. It will look like a space capsule when you are done.
Date published: 2014-06-23
Rated 4 out of 5 by from Update and protect your crawlspace HVAC board box ductwork I needed to "weatherproof" the crawlspace duct board from the summer moisture that attacks the exterior of the duct board over time. To accomplish this I disconnected the flex ducts from the unit, cleaned the entire surface area on the board boxes then sealed and taped any leaks in the existing 20 foot long unit. Next I tightly wrapped the board box with the product, reinstalled the flex ducts and taped the seams. The unit now has a brand new moisture proof surface area that is completely sealed and looks awesome. This also added an additional R3 insulation factor to the unit. Nice product considering the cost vs end result.
Date published: 2014-08-15
Rated 5 out of 5 by from Easy and works great! The reflective insulation was excellent to work with, had no fiberglass, went on easy and worked fine. We used the insulation in knee wall areas. We took readings on the wall before and after with an electronic infrared thermometer to prove it made a difference. It made a definite difference in that room which is 45 feet long by 14 feet wide. We were pleased with the results.
Date published: 2015-03-12
Rated 5 out of 5 by from Flexible insulation Cut the insulation to cover glass windows. Dramatic improvement in the heat level in the room and lower heating cost. Worth the money.
Date published: 2012-01-17
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