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    R Value of Insulation - Maintaining Energy Efficient Insulation | DuPont™ Tyvek®

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    Visit http://video.tyvek.com/Rvalue to register for a free consultation with a DuPont™ Tyvek® specialist.
    R-value is a measurement of the effectiveness of insulation. The DuPont™ Building Knowledge Center educates you on how to control the air flow in order to maintain your insulation's r value and achieve energy efficient insulation.