1507.16 Photovoltaic Shingles

The installation of photovoltaic shingles shall comply with the provisions of this section.

Photovoltaic shingles shall be applied to a solid or closely fitted deck, except where the shingles are specifically designed to be applied over spaced sheathing.

Photovoltaic shingles shall be installed on roof slopes of not less than 2 units vertical in 12 units horizontal (2:12).

Underlayment shall comply with Section 1507.1.1.

Where required, ice barriers shall comply with Section 1507.1.2.

Fasteners for photovoltaic shingles shall be galvanized, stainless steel, aluminum or copper roofing nails, minimum 12-gage [0.105 inch (2.67 mm)] shank with a minimum ³/₈-inch-diameter (9.5 mm) head, of a length to penetrate through the roofing materials and not less than ³/₄ inch (19.1 mm) into the roof sheathing. Where the roof sheathing is less than ³/₄ inch (19.1 mm) thick, the nails shall penetrate through the sheathing. Fasteners shall comply with ASTM F1667.

Photovoltaic shingles shall be listed and labeled in accordance with UL 7103 or with both UL 61730-1 and UL 61730-2.

Photovoltaic shingles shall be attached in accordance with the manufacturer's installation instructions.

Photovoltaic shingles shall comply with the classification requirements of Table 1504.2 for the appropriate maximum nominal design wind speed.