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Insulative paints, or insulating paints are a specially designed type of
paint Paint is any pigmented liquid, liquefiable, or solid mastic composition that, after application to a substrate in a thin layer, converts to a solid film. It is most commonly used to protect, color, or provide texture. Paint can be made in many ...
in which can be used to coat a surface (e.g a wall) to reduce
heat transfer Heat transfer is a discipline of thermal engineering that concerns the generation, use, conversion, and exchange of thermal energy (heat) between physical systems. Heat transfer is classified into various mechanisms, such as thermal conduction, ...
as well as increase the thermal insulating property (R-value in order to aid cooling and heating efforts for example.''Insulative paints'' use a technology where a broad spectrum thermally
reflective Reflection is the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated. Common examples include the reflection of light, sound and water waves. The ' ...
coating is applied to a specific type of micro-spheres to block heat
radiation In physics, radiation is the emission or transmission of energy in the form of waves or particles through space or through a material medium. This includes: * ''electromagnetic radiation'', such as radio waves, microwaves, infrared, visi ...
in a larger range of thermal energy (heat) to dissipate heat rapidly. This type of coated thermally reflective material (coated micro-sphere) reduces heat transfer through the coating with 90% of solar
infrared Infrared (IR), sometimes called infrared light, is electromagnetic radiation (EMR) with wavelengths longer than those of visible light. It is therefore invisible to the human eye. IR is generally understood to encompass wavelengths from around ...
radiation and 85% of
ultraviolet Ultraviolet (UV) is a form of electromagnetic radiation with wavelength from 10 nanometer, nm (with a corresponding frequency around 30 Hertz, PHz) to 400 nm (750 Hertz, THz), shorter than that of visible light, but longer than ...
radiation being radiated back from the coated surface An "insulative" or "insulating" paint works bi-directionally (reflects heat coming from either direction toward the painted surface. An example of this would be an exterior wall of a building to which an "insulative" or "insulating" paint has been applied. Solar induced heat (direct sunlight) is reflected from the surface as well as heat (winter months) that is migrating through the wall outward toward the colder outside air. A "thermal Image" or infra-red photograph will clearly show the reduction of winter time heat loss from a home through areas that have been painted with a true "insulative" or "insulating" paint. The ability to reflect or block heat from all sources such as fireplaces, heaters, and radiators inside a building as well as sunlight is the value of a true "insulative" or "insulating" paint. These products reduce the work (heat loading) that "resistance insulation" such a fiberglass, foam, and rock wool have to do. These are typical insulation materials used in walls as well as ceilings of buildings. So far no manufacturer has provided any independent test results to substantiate any claims of improved performance over standard paint technology. All independent tests have shown that the proprietary formulas offer no advantages at all over plain old acrylic paint. In spite of impressive "web presence" several of these companies appear to be "ghost ships" operating in the cloak of obscurity offered by internet sales and unable to provide any local representation or product stocks.


Other types of "insulating paint"

"Insulative" or "insulating paint" is not proven by any existing scientific methodology.


Deception and fraud

There are deceptive companies that are marketing "insulating paint" for many applications who are engaged in a scam, and several such companies have been forced to cease their marketing practices after receiving warning letters from the
Federal Trade Commission The Federal Trade Commission (FTC) is an independent agency of the United States government whose principal mission is the enforcement of civil (non-criminal) antitrust law and the promotion of consumer protection. The FTC shares jurisdiction ov ...
. These companies are merely riding the coat tails of legitimate companies engaged in the ceramic and coatings industries, and are more marketing than substance. They incorporate materials such as glass spheres or fly ash into low quality paints. Scammers have been selling “insulating” paint to gullible consumers for at least 27 years. Two companies that offer insulating paint are Super Therm and Nansulate. The product names continue to change as consumers report continued deception to the Better Business Bureau and other venues.The insulative paints are currently marketed under the Synavax and Syneffex names. The reports from the Better Business Bureau indicate that these companies are only shell companies, and if gullible consumers actually send funds for the promised products, the funds will be kept and no products will be shipped. The CCHRC (Cold Climate Housing Research Center) researchers concluded that "there was no discernible difference in the performance of the Super Therm or Nansulate in comparison to regular latex paint during the energy monitoring tests." They also said, "Such products have the primary goal of reducing solar absorption to decrease air conditioning loads. Such considerations were not included in our tests, as they are not considered of primary importance for Alaska's climate."


Use in the space program

The areas of the
Space Shuttle The Space Shuttle is a retired, partially reusable low Earth orbital spacecraft system operated from 1981 to 2011 by the U.S. National Aeronautics and Space Administration (NASA) as part of the Space Shuttle program. Its official program na ...
that had the highest heat loading due to friction upon the shuttle's re-entry with the Earth's atmosphere were coated with a black carbon material which emitted over 90% of the friction-induced heat that the shuttle experienced upon re-entry. Although the ceramic technology was developed by NASA, no one has worked "with" NASA in developing products of this type or their associated coatings. Any statements to the contrary are merely marketing and misleading. The technology was considered declassified and released to the public in 1996. It is then up to the world marketplace to take the work of NASA scientists and researchers, and develop products from that point. Since 1976, NASA has featured between 40 and 50 commercial products which have benefited mankind worldwide as a result of NASA technology in their annual premiere publication ''Spinoff Magazine''. In 2003, after exhaustive research into how their technology was utilized, NASA selected the original ''Spinoff'' industry leader.


See also

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Passive cooling Passive cooling is a building design approach that focuses on heat gain control and heat dissipation in a building in order to improve the indoor thermal comfort with low or no energy consumption. This approach works either by preventing heat from ...
*
Radiant barrier A radiant barrier is a type of building material that reflects thermal radiation and reduces heat transfer. Because thermal energy is also transferred by conduction and convection, in addition radiation, radiant barriers are often supplemented wit ...
*
Reflective surfaces (geoengineering) Reflective surfaces or ground-based albedo modification (GBAM) is a solar radiation management method of enhancing the Earth's albedo (the ability to reflect the visible, infrared and ultraviolet wavelengths of the sun, reducing heat transfer to ...


References

{{Reflist, 2


External links


Does insulation paint make any difference? - ''Telegraph''
Paints