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• Information. Aluminum foil is 98.5% aluminum with the balance primarily from iron and silicon to give strength and puncture resistance. The molten alloy is rolled thin and solidified between large, water-cooled chill rollers. During the final rolling, two
• Foil does not work by preventing the conduction of heat as other insulators do. It works by reflecting radiative heat back towards the source. So it drives your heat back into your home…and not out through itself and into the ether. Industry tests have sho
• Home use standard duty foil rolls are often between 75 ft. and 250 ft. long, offered in a variety of widths.