Mich. Admin. Code R. 408.30521a - [Effective 8/29/2025] Rooftop mounted photovoltaic panel systems
Rule 521a. Sections R907.1, R907.2, and R907.3 of the code are added to read as follows:
R907.1. General. The installation of
photovoltaic panel systems that are mounted on or above the roof covering shall
comply with the provisions of this code, section R324, and NFPA 70.
R907.2. Structural requirements. Rooftop
mounted photovoltaic panel systems shall be designed to structurally support
the system and withstand gravity loads in accordance with chapter 3. The roof
upon which these systems are installed shall be designed and constructed to
support the loads imposed by such systems in accordance with chapter
8.
R907.3. Installation. Rooftop
mounted photovoltaic systems shall be installed in accordance with the
manufacturer's instructions. Roof penetrations shall be flashed and sealed in
accordance with this chapter.
Notes
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