Rhode Island Code of Regulations
Title 510 - Building Code Commission
Chapter 00 - N/A
Subchapter 00 - N/A
Part 2 - RISBC-2 Rhode Island State One amp; Two-Family Dwelling Code
Section 510-RICR-00-00-2.11 - Chapter 9

Universal Citation: 510 RI Code of Rules 00 00 2.11

Current through September 18, 2024

R905.2.6 Delete section R905.2.6 and substitute the following:

R905.2.6 Attachment.

Asphalt strip shingles shall have a minimum of six (6) fasteners per shingle.

Exceptions:

1. Where the roof slope exceeds twenty (20) units vertical in twelve (12) units horizontal (20:12), special fastening details may be required by the manufacturer.

2. Fastening systems tested by the manufacturer to ASTM D3161 modified to use a wind speed of one hundred ten (110) MPH shall be permitted to be installed in any wind zone.

R905.2.8.2 #3 Delete and substitute the following:

R905.2.8.2 #3
3. For closed valleys (valley covered with shingles), valley lining of one ply of smooth roll roofing complying with ASTM D224 Type II or Type III and at least thirty-six inches (36") (914 mm) wide or valley lining as described in Items 1 and 2 above shall be permitted. Specialty underlayment complying with ASTM D 1970 may be used in lieu of the lining material. Other valley lining systems and techniques acceptable to the shingle manufacturer shall be approved by the Building Official.

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