Standard Practice for
Determination of Thermal Resistance of Loose-Fill Building
Insulation1
This standard is issued under the fixed designation C 687; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
click below Astm C 687 – 02 pdf free download
click here Astm C 686 – 90 (Reapproved 2001) pdf free download
