Michigan Administrative Code
Department - Licensing and Regulatory Affairs
Bureau of Construction Codes
Construction Code Commission General Rules
Construction Code
Part 10 - MICHIGAN UNIFORM ENERGY CODE
Section R. 408.31062 - Fenestration product rating
Universal Citation: MI Admin Code R. 408.31062
Current through Vol. 24-16, September 15, 2024
Rule 1062. Section 303.1.3 of the code is amended to read as follows:
303.1.3. Fenestration product rating. U-factors of fenestration products (windows, doors and skylights) shall be determined in accordance with NFRC 100 by an accredited, independent laboratory, and labeled and certified by the manufacturer. Products lacking such a labeled U-factor shall be assigned a default U-factor from Table 303.1.3(1) or 303.1.3(2).
Exception: Computer simulations by independent NFRC certified laboratories or approval under section 21 of 1972 PA 230, MCL 125.1521 are considered in compliance with this section.
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