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// CODE SNIPPET

1515.2 Guidelines for Roofing Applications

2017 FBC - Building, 6th edition > 15 Roof Assemblies and Rooftop Structures > 1515 High-Velocity Hurricane Zones— Performance Requirements > 1515.2 Guidelines for Roofing Applications
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TABLE 1515.2

MINIMUM SLOPE

SYSTEM TYPESLOPE
Fibrous Cement Shingles4:12
Metal Panels
Architectural2:12
Metal Shingles4:12
Mortar or Adhesive Tile2:12
Mechanically Fastened Tile4:12
Asphalt Shingles
Laminated2:12
3-Tab2:12
Quarry Slate3-1/2:12
Wood
Shakes4:12
Shingles3-1/2:12

1515.2.1 Decks

All roofing systems and prepared roof coverings shall be installed over solid decks, unless otherwise specifically allowed in other sections of this code.

1515.2.2 Minimum Slope

All roofing assemblies must be installed in compliance with the slope requirements specified in the product control approval, in compliance with Table 1515.2.

1515.2.2.1

In new construction the minimum deck slope shall be not less than 1/4:12.

1515.2.3 Deck Preparation

1515.2.3.1 Reserved

1515.2.3.2

All eaves shall provide a firm nailable substrate for secure attachment of perimeter edge metal in compliance with RAS 111.

1515.2.3.3

Perimeter edge metal shall be fastened with nails or fasteners fabricated from similar or compatible material. The nails or fasteners shall be as set forth in the roofing assembly product approval.

1515.2.4 Impact Resistance

Roof coverings installed on low slope roofs in accordance with Section 1519 shall resist impact damage based on the results of tests conducted in accordance with ASTM D3746, ASTM D4272, FM 4470 or TAS 114.

1515.2.5 Ridge Vents

Ridge vents shall have a product approval, and shall be tested for wind driven rain in accordance with TAS 110 and Section 1523.

Related Code Sections


1515.2 Roof Assemblies and Rooftop Structures, Guidelines for Roofing Applications
All roofing systems and prepared roof coverings shall be installed over solid decks, unless otherwise specifically allowed in other ...
2014 FBC - Building, 5th edition > 15 Roof Assemblies and Rooftop Structures > 1515 High-Velocity Hurricane Zones— Performance Requirements > 1515.2 Guidelines for Roofing Applications
1515.2 Roof Assemblies and Rooftop Structures, Guidelines for Roofing Applications
All roofing systems and prepared roof coverings shall be installed over solid decks, unless otherwise specifically allowed in other ...
2017 FBC - Building, 6th edition > 15 Roof Assemblies and Rooftop Structures > 1515 High-Velocity Hurricane Zones— Performance Requirements > 1515.2 Guidelines for Roofing Applications
1515.2 Roof Assemblies and Rooftop Structures, Guidelines for Roofing Applications
Standing seam metal roof panel systems that pass the requirements of the Static Water Leakage Test criteria of FM 4471, Appendix G ...
2020 FBC - Building, 7th edition > 15 Roof Assemblies and Rooftop Structures > 1515 High-Velocity Hurricane Zones—Performance Requirements > 1515.2 Guidelines for Roofing Applications
1515.2.2 Roof Assemblies and Rooftop Structures, Minimum Slope
All roofing assemblies must be installed in compliance with the slope requirements specified in the product control approval, in compliance ...
2020 FBC - Building, 7th edition > 15 Roof Assemblies and Rooftop Structures > 1515 High-Velocity Hurricane Zones—Performance Requirements > 1515.2 Guidelines for Roofing Applications > 1515.2.2 Minimum Slope
1515.2.3 Roof Assemblies and Rooftop Structures, Deck Preparation
from similar or compatible material. The nails or fasteners shall be as set forth in the roofing assembly product approval ...
2017 FBC - Building, 6th edition > 15 Roof Assemblies and Rooftop Structures > 1515 High-Velocity Hurricane Zones— Performance Requirements > 1515.2 Guidelines for Roofing Applications > 1515.2.3 Deck Preparation
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