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All Vinyl Kraft Windows Feature Super Spacer Technology
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Conventional metal spacers allow heat to flow both into and out of your house at a rate much high than what is allowed by Edgetech's Super Spacer.
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Super Spacer's foam with it's millions of insulating air pockets has been shown to conduct heat at a rate 950 times lower than aluminum and 85 times less than steel.
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The Warmest
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