ASTM WK45648

    Revision of E1423 - 06 Standard Practice for Determining Steady State Thermal Transmittance of Fenestration Systems

    (What is a Work Item?)

    Active Standard: E1423 - 14

    Developed by Subcommittee: E06.51 | Committee E06 | Contact Staff Manager


    1. Rationale

    This Practice has been recently balloted and approved (April 2014) with new set point temperatures and surface heat transfer coefficients as requested by NFRC. This new draft reflects additional revisons that includes garage doors and to correct omissions and errors discovered by the task group.


    doors; fenestration; heat; heat transfer; hot box; sky-light; steady state; surround panel; thermal perofrmance; transmittance; U-factor; windows;
    Citing ASTM Standards
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    Work Item Status

    Date Initiated:

    Technical Contact:
    William DuPont

    Draft Under Development