The installation of thermoplastic single-ply roofing shall comply with the provisions of this section. Wood shakes shall be installed in accordance with this chapter and the, The starter course at the eaves shall be doubled and the bottom layer shall be either 15-inch (381 mm), 18-inch (457 mm) or 24-inch (610 mm) wood shakes or wood shingles. The installation of mineral-surfaced roll roofing shall comply with this section. SECTION R803 ROOF SHEATHING. Flashing and counterflashing shall be made with sheet metal. Valley linings shall be installed in accordance with the manufacturer's instructions before applying shingles. Asphalt shingles shall be fastened to solidly sheathed decks. A base sheet that complies with the requirements of Section 1507.11.2 of the. Where the existing roof has two or more applications of any type of roof . Mineral-surfaced roll roofing shall not be applied on roof. (914 mm). 2018 International Building Code (Ibc) | Icc Digital Codes Built-up roofs shall be installed in accordance with this chapter and the manufacturer's instructions. Wood shingles shall be laid with a side lap not less than 1, NAIL REQUIREMENTS FOR WOOD SHAKES AND WOOD SHINGLES, Roof flashing shall be not less than No. Stainless steel fasteners are acceptable for metal roofs. A liquid-applied protective coating that complies with Table R905.14.3 shall be applied not less than 2 hours nor more than 72 hours following the application of the foam. Section R901 General R901.1 Scope The provisions of this chapter shall govern the design, materials, construction and quality of roof assemblies. arrow_right. Above-deck thermal insulation board shall comply with the standards in Table R906.2. For closed valleys (valley covered with shingles), valley lining of one ply of smooth roll roofing complying with ASTM D6380 and not less than 36 inches wide (914 mm) or valley lining as described in Item 1 or 2 shall be permitted. Slate shingles shall comply with ASTM C406. Spray-applied polyurethane foam insulation shall comply with ASTM C1029, Type III or IV or ASTM D7425. 2018 International Residential Code (Irc) | Icc Digital Codes Chapter 9: Roof Assemblies, 2018 South Carolina Residential Code | UpCodes Roof valley flashing shall be not less than No. Base flashing shall be of either corrosion-resistant metal of minimum nominal 0.019-inch (0.5 mm) thickness or mineral-surfaced roll roofing weighing not less than 77 pounds per 100 square feet (4 kg/m. The installation of slate shingles shall comply with the provisions of this section. Stainless steel fasteners are acceptable for metal roofs. Adjacent segments of drip edge shall be overlapped not less than 2 inches (51 mm). Mineral-surfaced roll roofing shall be fastened to solidly sheathed roofs. Mineral-surfaced roll roofing shall not be applied on roof. 3. Asphalt shingles shall comply with ASTM D3462. The installation of slate shingles shall comply with the provisions of this section. CHAPTER 8 ROOF-CEILING CONSTRUCTION. R905.2.1 Sheathing requirements. Chapter 9: Roof Assemblies, 2019 Residential Code of Ohio | UpCodes Wood shakes shall be installed in accordance with this chapter and the, The starter course at the eaves shall be doubled and the bottom layer shall be either 15-inch (381 mm), 18-inch (457 mm) or 24-inch (610 mm) wood shakes or wood shingles. 2018 International Residential Code (Irc) | Icc Digital Codes SECTION R801 GENERAL. Asphalt shingles shall be fastened to solidly sheathed decks. Paint systems in accordance with ASTM A755 shall be applied over steel products with corrosion-resistant coatings complying with ASTM A792, ASTM A875, ASTM A463, or ASTM A653. Self-adhering polymer modified bitumen. In areas where there has been a history of ice forming along the eaves causing a backup of water, as designated in, The use of above-deck thermal insulation shall be permitted provided that such insulation is covered with an. For SI: 1 inch = 25.4 mm, 1 mile per hour = 0.447 m/s. Slate shingles shall be installed in accordance with this chapter and the manufacturer's instructions. Part III Building Planning and Construction, R907 Rooftop-Mounted Photovoltaic Panel Systems, Chapter 13 General Mechanical System Requirements, Chapter 14 Heating and Cooling Equipment and Appliances, Chapter 19 Special Appliances, Equipment and Systems, Chapter 22 Special Piping and Storage Systems, Chapter 37 Branch Circuit and Feeder Requirements, Chapter 39 Power and Lighting Distribution, Chapter 43 Class 2 Remote-Control, Signaling and Power-Limited Circuits, Appendix A Sizing and Capacities of Gas Piping, Appendix B Sizing of Venting Systems Serving Appliances Equipped With Draft Hoods, Category I Appliances and Appliances Listed for Use With Type B Vents, Appendix C Exit Terminals of Mechanical Draft and Direct-Vent Venting Systems, Appendix D Recommended Procedure for Safety Inspection of an Existing Appliance Installation, Appendix E Manufactured Housing Used as Dwellings, Appendix G Piping Standards for Various Applications, Appendix J Existing Buildings and Structures, Appendix T [RE] Solar-Ready ProvisionsDetached One- And Two-Family Dwellings and Townhouses, The provisions of this chapter shall govern the design, materials, construction and quality of, Roofs shall be covered with materials as set forth in Sections, Flashings shall be installed in a manner that prevents moisture from entering the wall and roof through joints in copings, through moisture permeable materials and at intersections with parapet, Flashings shall be installed at wall and roof intersections, wherever there is a change in roof, A cricket or saddle shall be installed on the ridge side of any, The requirements set forth in this section shall apply to the application of, ASTM D6380 Class M mineral-surfaced roll roofing. Stainless steel fasteners are acceptable for metal roofs. 2018 International Residential Code (Irc) | Icc Digital Codes In areas where there has been a history of ice forming along the eaves causing a backup of water as designated in. Modified bitumen membrane roofs shall have a design. Valley flashing shall be not less than 15 inches (381 mm) wide. Wood shakes shall comply with the requirements of Table R905.8.5. 2. Wood shakes shall comply with the requirements of Table 905.8.5. Foam plastic materials and installation shall comply with. The installation of wood shingles shall comply with the provisions of this section. 2018 International Residential Code (IRC) COPYRIGHT PREFACE EFFECTIVE USE OF THE INTERNATIONAL RESIDENTIAL CODE arrow_right CHAPTER 1 SCOPE AND ADMINISTRATION arrow_right CHAPTER 2 DEFINITIONS arrow_right CHAPTER 3 BUILDING PLANNING arrow_right CHAPTER 4 FOUNDATIONS arrow_right CHAPTER 5 FLOORS arrow_right CHAPTER 6 WALL CONSTRUCTION arrow_right Chapter 9: Roof Assemblies, 2020 Indiana Residential Code | UpCodes 2018 IRC. Fasteners for asphalt shingles shall be galvanized steel, stainless steel, aluminum or copper roofing nails, minimum 12-gage [0.105 inch (3 mm)] shank with a minimum 3 / 8 -inch-diameter (9.5 mm) head, complying with ASTM F1667, of a length to penetrate through the roofing materials and not less than 3 / 4 inch (19.1 mm) into the roof sheathing. Terne coating of 40 lb per double base box, field painted where applicable in accordance with, 0.027 inch minimum thickness: 99.995% electrolytic high-, ASTM D6162; D6163; D6164; D6222; D6223; D6298, As an alternative, self-adhering polymer-modified bitumen, As an alternative, a minimum 4-inch-wide (102 mm) strip of self-adhering polymer-modified bitumen membrane complying with ASTM D1970, installed in accordance with the, The cap nail shank shall be not less than 0.083 inch (2.11 mm) for ring shank cap nails and 0.091 inch (2.31 mm) for smooth shank cap nails. Install drip edges at eaves and rakes. Wood shakes shall be installed in accordance with this chapter and the, The starter course at the eaves shall be doubled and the bottom layer shall be either 15-inch (381 mm), 18-inch (457 mm) or 24-inch (610 mm) wood shakes or wood shingles. Asphalt shingles shall comply with ASTM D3462. Sections of flashing shall have an end lap of not less than 4 inches (102 mm). Asphalt shingles shall meet the classification requirements of Table R905.2.4.1 for the appropriate ultimate design wind speed. Copper, brass, bronze, copper alloy and 300-series stainless steel fasteners shall be used for copper roofs. Roof valley flashing shall be not less than No. (R803.1) Spaced lumber sheathing is not allowed in Seismic Design Category D 2. Roof Deck Requirements for Installation of Asphalt Shingles Technical . Same as Maximum Ultimate Design Wind Speed, Preservative-treated shakes and shingles of, Fire-retardant-treated shakes and shingles of, Preservative-treated tapersawn shakes of Southern pine treated in accordance with AWPA Standard U1 (Commodity Specification A, Special Requirement 4.6), Forest Products Laboratory of the Texas Forest Services, Preservative-treated tapersawn shakes of Southern Yellow Pine, Asphalt-saturated and asphalt-coated organic felt base sheet, Asphalt-saturated organic felt (perforated), Coal-tar primer used in roofing, dampproofing and waterproofing, ASTM B370 minimum 16 oz/sq ft and 12 oz/sq ft high-yield copper for metal-sheet. The installation of asphalt shingles shall comply with the provisions of this section. Asphalt Shingles R905.2 - IRC Provisions - PLRB Asphalt shingles shall be fastened to solidly sheathed decks. Foam plastic materials and installation shall comply with Section 316. Fifteen-inch (381 mm) or 18-inch (457 mm) wood shakes shall be permitted to be used for the final course at the. Asphalt shingles shall be used only on roof. The installation of thermoplastic single-ply roofing shall comply with the provisions of this section. Sections of flashing shall have an end lap of not less than 4 inches (102 mm). Copper, brass, bronze, copper alloy and 300-series stainless steel fasteners shall be used for copper roofs. Above-deck thermal insulation board shall comply with the standards in Table R906.2. Thermoplastic single-ply roofs shall be installed in accordance with this chapter and the manufacturer's instructions. Liquid-applied roofing shall comply with ASTM C836, C957, D1227, D3468, D6083, D6694 or D6947.