View Historical Standards for C1373/C1373M:

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Document Designation and Title Year Select Item(s) C1373 Standard Practice for Determination of Thermal Resistance of Attic Insulation Systems Under Simulated Winter Conditions 03 C1373 Standard Practice for Determination of Thermal Resistance of Attic Insulation Systems Under Simulated Winter Conditions 01 C1373 Standard Practice for Determination of Thermal Resistance of Attic Insulation Systems Under Simulated Winter Conditions 98