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Barrier insulation (sometimes called a reflective barrier) is a technique using thermal insulation and infrared reflectivity along with controlled air cavities to create an ideal insulate an environment. Here specifically selected materials minimize escaping heat through a wall, floor, or ceiling by understanding exactly what heat loss is and how it occurs.
With its roots in NASA's space program, highly effective insulating barriers made of aluminized polymer film were used since the days of the Apollo moon missions. This insulation literally reflected heat back into the command module so well that astronauts could wear shirt sleeves instead of bulky and uncomfortable space suits. This same technique also protects satellites and unmanned spacecraft to guard their inner workings from the extreme temperatures of space. Barrier insulation is in use in the current fleet of space shuttles to protect vehicle computers as well.
Gulf Coast Spas uses a high-tech double-sided insulating material that reflects 97 percent of the heat that strikes it and also works as a reflective barrier which makes it more efficient, less expensive and easier to install than traditional insulating materials.
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