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// CODE SNIPPET

Section 1517 High-Velocity Hurricane Zones— Materials

2017 FBC - Building, 6th edition > 15 Roof Assemblies and Rooftop Structures > 1517 High-Velocity Hurricane Zones— Materials
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1517.1 Scope

Every roofing component shall comply with the applicable ASTM material standards adopted by this code. All such products shall bear the testing logo imprinted on the material and/or container or shall be marked in a distinctive manner to define compliance with the standards and shall be subject to be evaluated for compliance. The certification agency shall carry out random testing of labeled products to confirm compliance with ASTM material standard.

1517.2 Compatibility of Materials

Reserved.

1517.3 Material Specification and Physical Characteristics

Reserved.

1517.4 Product Identification

All roofing components shall be labeled and/or identified as mandated by the product approval.

1517.4.1

ASTM standard roll goods shall be marked with a yellow line to identify the ASTM standard, or such other marking as may be deemed appropriate by the product approval.

1517.5 Fasteners

1517.5.1

Nails shall be minimum 12 gage, annular ring shank nails having not less than 20 rings per inch, heads not less than 3/8 inch (9.5 mm) in diameter; and lengths sufficient to penetrate through the thickness of plywood panel or wood plank decking not less than 3/16 inch (4.8 mm), or to penetrate into a 1 inch (25 mm) or greater thickness of lumber not less than 1 inch. Nails or wood screws shall be hot-dipped electro- or mechanically galvanized to a thickness sufficient to resist corrosion in compliance with TAS 114, Appendix E, Section 2 (ASTM G85). All nails shall be listed by a certification agency. All nail cartons or carton labels shall be labeled to note compliance with the corrosion-resistance requirements. No roofing material shall be fully or partially adhered directly to a nailable deck, unless otherwise noted in the roof assembly product approval.

1517.5.2

Such fasteners shall be applied through "Tin caps" no less than 15/8 inches (41 mm) and not more than 2 inches (51 mm) in diameter and of not less than 32 gage (0.010 inch) sheet metal. "Cap nails" or prefabricated fasteners with integral heads complying with this section shall be an acceptable substitute. All "tin caps," "cap nails" or prefabricated fasteners with integral heads shall be tested for corrosion resistance in compliance with TAS 114 Appendix E, Section 2 (ASTM G85), and shall be product control listed. All of cartons or carton labels "tin caps," "cap nails" or prefabricated fasteners with integral heads shall be labeled to note compliance with the corrosion-resistance requirements.

1517.6 Metal Roofing Accessories

All metal accessories for roofs shall be not less than 26 gage G-90 galvanized or stainless steel, 16 ounce copper, 0.025-inch (0.6 mm) thick aluminum, lead sheet with a minimum 2.5 lb/sf (12.2 kg/m2) or equivalent noncorrosive metal alloys or composite materials manufactured for use as roof termination. All composite and nonmetallic flashing materials shall have a product approval.

1517.6.1

Metal accessories may be of a manufactured, shop-fabricated or field-fabricated type, providing the materials and fasteners are in compliance with the minimum requirements of this code and shall be sized, designed and installed in compliance with methods set forth in RAS 111.

1517.6.2

Gravel stop or drip edge profiles shall be as follows:

1517.6.2.1

The vertical face shall be a minimum of 11/2 inches (38 mm) and shall extend down not less than 1/2 inch (12.7 mm) below the sheathing or other member immediately contiguous thereto. In all cases, the deck flange shall be not less than 2 inches (51 mm) in width. Gravel stop or drip edge shall be sized, designed and installed in compliance with RAS 111.

1517.6.2.2

Gravel stop or drip edge shall be designed so that the bottom (the kick of the metal) of the drip edge shall have a minimum of 1/2-inch (12.7 mm) clearance from the structure.

1517.6.2.3 Reserved

1517.6.2.4

Gravel stops shall be installed after all roofing felts have been applied, or in compliance with the application method set forth in the roofing assembly product approval. All asphalt or approved cold adhesive bonding areas shall be coated with ASTM D41 or ASTM D43, as required, and allowed to dry prior to application.

1517.6.2.5

Gravel stops and drip edges shall be joined by lapping a minimum of 4 inches (102 mm) and the entire interior of the joints shall be coated with approved flashing cement. Cover and splice plates shall be of the same material as the gravel stop and drip edge, and shall be sized, fabricated and installed in compliance with RAS 111.

1517.6.2.6

The deck flange shall be nailed with an approved minimum 12 gage annular ring shank nail at 4 inches (102 mm) o.c. The nail shall be manufactured from similar and/or compatible material to the termination profile. All composite materials shall be fastened with nonferrous nails.

Related Code Sections


Section 1517 Roof Assemblies and Rooftop Structures, High-Velocity Hurricane Zones— Materials
Every roofing component shall comply with the applicable ASTM material standards adopted by this code. All such products shall bear the testing logo ...
2014 FBC - Building, 5th edition > 15 Roof Assemblies and Rooftop Structures > 1517 High-Velocity Hurricane Zones— Materials
Section 1517 Roof Assemblies and Rooftop Structures, High-Velocity Hurricane Zones— Materials
Every roofing component shall comply with the applicable ASTM material standards adopted by this code. All such products shall bear the testing logo ...
2017 FBC - Building, 6th edition > 15 Roof Assemblies and Rooftop Structures > 1517 High-Velocity Hurricane Zones— Materials
Section 1517 Roof Assemblies and Rooftop Structures, High-Velocity Hurricane Zones—Materials
Every roofing component shall comply with the applicable ASTM material standards adopted by this code. All such products shall bear the testing logo ...
2020 FBC - Building, 7th edition > 15 Roof Assemblies and Rooftop Structures > 1517 High-Velocity Hurricane Zones—Materials
Section 1922 Concrete, High-Velocity Hurricane Zones—Materials
RESERVED ...
2020 FBC - Building, 7th edition > 19 Concrete > 1922 High-Velocity Hurricane Zones—Materials
Section 2215 Steel, High-Velocity Hurricane Zones—Material
Reserved. Reserved ...
2014 FBC - Building, 5th edition > 22 Steel > 2215 High-Velocity Hurricane Zones—Material
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