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Is a company that seals an attic by putting foil over the attic insulation legitimate?

April 26, 2017attic COMPANY foil insulation putting seals

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Is a company that seals an attic by putting foil over the attic insulation legitimate?

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The short answer is no. Having a foil-like material placed over insulation in an attic area will cause accumulation of frost or water liquid. This practice should be avoided. Refer to our home energy guides that address insulation and attic air sealing for Minnesota homes.