Reflective Insulation

How Does Prodex Total Reflective Insulation Perform So Well?

Prodex Total Reflective Insulation - R 16 reduces the transfer of heat across air space by the use of two surfaces having high thermal reflectance and low emittance. This thermal insulation uses closed cell foam plus two aluminum surfaces and trapped airspaces to form an efficient insulation system. Prodex Total is ICCES Recognized and Energy Star qualified. The R-value of reflective insulation and mass insulation is based on the same fundamental equation (The ability to stop heat transfer).  

The R-value Myth 

Prodex Total - R-value Not Affected By Humidity

Unlike fiberglass and cellulose, the Prodex Total R-value is unaffected by humidity. Once fiberglass or cellulose gets damp (and it will in most applications), it will stay damp. You'll have trapped moisture in the blanket causing rot, rust, oxidation, mold etc. Damp fiberglass and cellulose will provide less and less R value as the moisture builds. Fiberglass and cellulose is not the recommended in basementspole barns or metal buildings

Prodex Total - Keeps Your Building Warm In Winter And Cool In Summer

In addition to providing thermal protection (R value) to reduce your winter heating costs, Prodex reflective foil insulation also cools your home in the summer; thereby, reducing your summer utility costs. While mass insulation (fiberglass, spray foam, rigid board and cellulose) products are made to resist or impede the flow of warm air, a Prodex reflective insulation reflects back radiant heat (primary source of heat- flow) from the sun so it does not penetrate the building. It also reflects back radiant heat inside the house so it doesn't escape. The concept is simple each unit of radiant heat energy that is reflected away from your home in summer and each unit reflected back inside during winter means less money paid in utility cost. Mass insulations (fiberglass, spray foam, rigid board and cellulose) do not prevent radiant heat transfer (the primary source of heat-flow.). If you're using only a mass insulation product, you're losing more than half the battle.

Definition of Reflective Insulation

Thermal insulation composed of one or more low emittance surfaces and one or more enclosed air spaces. The total thermal performance of the reflective system varies with the size and number of enclosed reflective spaces in the building cavity. 

Emittance (or emissivity) refers to the ability of a material to discharge radiant energy. The lower the emissivity, the lower heat that radiates from its source. All materials have emissivity. For example, fiberglass has a high emissivity relative to reflective insulation, which means it radiates a larger amount of heat. 

Reflectance (or reflectivity) refers to the amount of incoming heat (radiant energy) that is reflective from the surface. The reflectivity and emissivity of a surface added together = 1. Example, Prodex Total Insulation has an emissivity of 0.03 and a reflectivity of 0.97. That means it reflect back 97% of the radiant energy that strikes it - not allowing it to radiate into your building or home. The physics of foil

History or Reflective Insulation 

Reflective insulations are a commercial spinoff of the NASA Apollo Space Program. NASA used a reflective foil covering to create a radiant barrier for both the spacecraft and space suits to reflect the intense heat of the suns away from the astronauts by day and to reflect internal heat back inside the capsule of space suit at night for warmth. NASA estimates that "Using conventional insulation, a space suit would have required a 7-foot-thick protective layer." Prodex Reflective insulation improved on this technology to consumers for all types of building applications.

Today, reflective insulations have become a standard component of a total insulation system. It's designed for both new construction and retrofits. Using Reflective insulation for either your home or metal building will increase the comfort level inside, protect against condensation and save on energy costs.

Reflective Insulation vs. Radiant Barrier

pole barn insulation prodex thumbnail

A radiant barrier is a thin layer of reflective low *emissivity film (typically aluminum or foil) installed with an airspace to block radiant heat transfer between a surface that radiates heat (such as a roof) and a surface that will absorb heat (such as fiberglass insulation on an attic floor).

A radiant barrier that has no inner substance, is not insulation per se, and by definition has no R-value.

reflective insulation cross section prodex total

Think of Prodex Total reflective insulation as a radiant barrier with two low emittance surfaces on each side of a core substance. The system retards the convective flow of the heated air the way fiberglass, spray foam, rigid board and cellulose does. The R-value of a Reflective Insulation and a Mass Insulation is based on the same Fundamental Equation.

R-value: Measure of the ability of a material to impede heated air by convection. The higher the R-value the more effective the insulation will be in preventing convective heat transfer. R-value does not measure the insulation's ability to resist radiant heat transfer (The primary source of heat flow.)

Comparing Reflective Insulation to Mass Insulation

Mass insulation heat flow reflective insulation heat flow

 Standard Fiberglass vs. Prodex Reflective Insulation In A Basement:

crawlspace without reflective insulation Prodex reflective Insulation in crawlspace

Chart comparing Prodex to Mass Insulation products

Comparing Reflective Insulation

Take a look at the photos below. Even if you didn't know anything about Reflective Insulation, which one would you choose? The obvious choice is Prodex Total. It has a high quality core that keeps its shape when exposed to forces. Prodex Total has a nominal thickness of 5mm (13/64 inch) closed cell polyethylene foam covered on both sides with .0012 (00.03mm) aluminum foil facing. Under pressure, the Prodex micro-cells and do not collapse -- With a pressure of 6 PSI Prodex compresses just 6%. When the load is relieved it takes back its initial shape. The density of the foam is between 1.25 lb/ft (sq) - 1.87 lb/ft (sq). This gives the material real body. More about comparing reflective bubble insulation to Prodex Total.

Click to enlarge

Foil Only               Single Bubble               Double bubble          Prodex Total

Foil Only Radiant Barriersingle bubble - radiant bubble foilDouble bubble insulationProdex Total Insulation cross sections

Chart comparing Reflective Insulations

Where To Use Prodex Reflective Insulation

The following location links show the most popular places to install reflective insulation:  pole barns, metal buildings, roofs, attics, garages, garage doors, ceilings, basements, crawlspaces, radiant floor heating, walls, air ducts, floors, shipping containers, under concrete and more.

Installing Prodex Reflective Insulation

The following installation method links show how to install reflective insulation:  pole barns, metal buildings, attics, walls, floors, ceilings, roofs, crawlspaces, garage doors and more.

Benefits of using Prodex Total Reflective Insulation:

  • Light weight, very strong and easy to install
  • Moisture-proof. Will not allow moisture to pass through in either direction
  • Eliminates condensation within the ceilings, walls and floors.
  • Unlike mass insulation products, it's R-value is unaffected by humidity. No mildew, mold or fungus growth.
  • No significant mass to absorb and retain heat
  • Very low emittance value - E-value = 0.03 (compared to 0.90 for most insulations) which significantly reduces heat transfer by radiation.
  • No change in thermal performance over time due to compaction, disintegration or moisture absorption (common concern with mass insulation)
  • Easier to install than fiberglass - It can be stapled, nailed, glued or sewn.
  • Safer for workers to install than fiberglass - There are not fibers to breath or cause skin irritation, or eye irritation.
  • Nontoxic and non-carcinogenic - Does not irritate the skin, eyes or throat. Contains no substances which will out-gas.
  • Carries a Class A/Class 1 Fire Rating
  • Radon retarder - It will limit radon penetration through the floor
  • Not a nesting material for rodents, birds or insects
  • Attractive in areas where insulation is exposed such as a metal building.
  • Reduces the "black globe effect" in animal confinement buildings

Certifications: Prodex Total Reflective Insulation is ICC-ES recognized and Energy Star Qualified.

ICC-ES is a nonprofit organization that does technical evaluations of building products, components, methods and materials. ICC-ES evaluation reports provide evidence that products and systems meet code requirements. Their reports on code compliance are available free of charge to code officials, contractors, architects, engineer and anyone else with an interest in the building and construction. 

Energy Star is a joint program for the U.S Environmental Protection Agency and the U.S. Department of Energy. It's designed to help people save money and protect the environment through rating energy efficient product and practices. 

Prodex Difference: Energy Star Qualified : ICC-ES Recognized : R 16 unaffected by humidity : Prevents condensation : Prevents 97% of radiant heat transfer : Vapor barrier : Core sealed on both 175' side with flange : Elastic : 19dba contact noise reduction : 90 degree celsius (194 fahrenheit) contact temperature rating : UV resistance : Does not promote mold or mildew : Does not provide for nesting of rodents, bugs or birds : Seals around nails (no leak) : Reflective aluminum foil on each side of 5mm (13/64) closed-cell polyethylene foam center : Keeps its shape over time (doesn't collapse) : Rippled surface increases airflow :  Member of US Green Building Council - Made with 100% recyclable virgin raw materials : Over 3 billion square feet sold worldwide.

Roll Sizes Of Prodex Total Reflective Insulation

48 Inch72 Inch, 24 Inch, 16 Inch

List of All our Reflective insulations

Prodex Total 48 Inch Insulation 4 ft x 175 ft (700 sq. ft. total): 

reflective insulation picture of roll, foam and aluminum

Reasons To Believe In Prodex Total Insulation

  1. Real-time Prodex Insulation Reviews on every product page 
  2. Energy Star Qualified
  3. ICC-ES Recognized
  4. BBB report (bottom right of every page)
  5. Over 3 billion square feet sold worldwide 

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