Radiant Barrier is a term that is most commonly used to describe a kind of material that is used to help save energy by holding in heat and keeping out cold, yet being able to keep out unwanted heat.
If you are looking for radiant barrier by the square foot just search online for radiant barrier. I install radiant barrier and it comes from www.ecofoil.com
Radiant barriers can be repaired by using various radiant barrier laminate polyester treatments to become metalized.
First thing to do is read all instructions before installing radiant barrier foil. Make repairs to the area that you are planning to insulate. Unroll the radiant barrier and cut with scissors or knife. Staple into place.
A radiant barrier is typically installed in the attic, either under the roof or on the attic floor, to reduce heat transfer into the living spaces below by reflecting radiant heat. This positioning helps to keep the living areas cooler in hot weather.
There is a need to build a radiant barrier because during a cold winter up to 70-80% of your home or buildings heat can be lost.
You can find this type of insulation at Radiant Barrier Products. 631 Tuten Trl, Orlando, Florida. (407) 382-4737.
Spray on radiant barrier is not only expensive but performs only half as good as rolled radiant barrier. I was going to have my attic sprayed until I went to a seminar on rolled radiant barrier. They showed a video of test done in the same attic with one side sprayed and the other side rolled radiant barrier. They had a digital heat reader on both products and the difference was almost 20 degrees in 5 minutes. So I went online and found some rolled radiant barrier called ECOFOIL from www.ecofoil.com. Easy to install and really keeps my living room cooler.
No. A radiant barrier requires an air space to function properly. If the radiant barrier s sandwiched between two solid objects, then the heat will be able to conduct right through it. If you would like to apply a radiant barrier over your existing roof, one solution would be to use spacers or furring strips over the existing roof and use either a tile or metal roof over the spacers. If you must have asphalt shingles, then the radiant barrier would have to be applied in the attic space. A similar issue came up when people wanted to install a radiant barrier under concrete where it would have any air space. In a letter to a manufacturer, the FTC wrote, "It is well accepted that reflective insulation and radiant barrier products must have an air space adjacent to the reflective material to be effective." I am including a link to this letter below. http:/www.rimainternational.org/pdf/ftc-letter.pdf
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Radiant barriers are most commonly used in space flight. They protect the spacecraft from thermal radiation while in flight in outerspace.
Blackbody radiation is a broad uninterrupted band of radiant energy.
The term "radiant energy" refers to energy from sunlight that is absorbed by chlorophyll during the process of photosynthesis. This energy is used to convert carbon dioxide and water into glucose and oxygen in plants.