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Nails shall be corrosion resistant and not less than 11-gage, Tile shall be applied in accordance with this chapter and the, At the juncture of roof vertical surfaces, flashing and counterflashing shall be provided in accordance with this chapter and the, Roof valley flashing shall be of corrosion-resistant metal of the same material as the. Liquid-applied roofing shall be installed in accordance with this chapter and the, Where required, an ice barrier shall comply with, 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. Where required, ice barriers shall comply with Section 905.1.2. Install drip edges at eaves and rakes. The installation of asphalt shingles shall comply with the provisions of this section. 26 gage [0.019 inch (0.5 mm)] corrosion-resistant sheet metal and shall extend not less than 11 inches (279 mm) from the centerline each way. For SI: 1 ounce per square foot = 0.305 kg/m, The installation of modified bitumen roofing shall comply with the provisions of this section and the manufacturer's, Modified bitumen roofing shall have a design. The bottom layer shall be 18 inches (457 mm) and the top layer not less than 36 inches (914 mm) wide. 12 oz/sq ft for preformed metal shingle systems. Mineral-surfaced roll roofing shall conform to ASTM D3909 or ASTM D6380, Class M. Mineral-surfaced roll roofing shall be installed in accordance with this chapter and the manufacturer's instructions. Thermoset single-ply roofs shall be installed in accordance with this chapter and the manufacturer's instructions. 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, Asphalt shingles shall have the minimum number of fasteners required by the manufacturer's, Where required, ice barriers shall comply with, Flashing for asphalt shingles shall comply with this section and the asphalt shingle manufacturer's, Base and cap flashing shall be installed in accordance with manufacturer's instructions. Galvanized fasteners shall be used for steel roofs. Asphalt shingles shall meet the classification requirements of Table R905.2.4.1 for the appropriate ultimate design wind speed. Mineral-surfaced roll roofing shall not be applied on roof.
Chapter 9: Roof Assemblies, Residential Code 2018 of Nevada | UpCodes 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 such insulation is covered with an. Built-up roofs shall be installed in accordance with this chapter and the manufacturer's instructions. 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. Slate shingles shall be installed in accordance with this chapter and the manufacturer's instructions. R905.2Asphalt shingles. Wood shakes shall comply with the requirements of Table R905.8.5. 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. Modified bitumen roofing shall comply with the standards in Table R905.11.2. Thermoplastic single-ply roofs shall be installed in accordance with this chapter and the manufacturer's instructions. Valley and flashing metal shall be a minimum uncoated thickness of 0.0179-inch (0.5 mm) zinc coated G90. 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. Self-adhering polymer-modified bitumen. 3. Slate shingles shall be fastened to solidly sheathed roofs. Built-up roofs shall be installed in accordance with this chapter and the manufacturer's instructions. In areas where the average daily temperature in January is 25F (-4C) or less, Wood shingles shall be installed in accordance with this chapter and the manufacturer's instructions. Section R803 Roof Sheathing R803.2 Wood Structural Panel Sheathing (Roof Online Note: This subsection covers plywood and OSB sheathing. are not required for roofs sheathed with lumber having a nominal width of less than 3 feet Each bundle of shakes shall be identified by a, The installation of built-up roofs shall comply with the provisions of this section and the manufacturer's. 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, Asphalt shingles shall have the minimum number of fasteners required by the manufacturer's, Where required, ice barriers shall comply with, Flashing for asphalt shingles shall comply with this section and the asphalt shingle manufacturer's, Base and cap flashing shall be installed in accordance with manufacturer's instructions. Each bundle of shakes shall be identified by a.
2018 International Residential Code (Irc) | Icc Digital Codes Self-adhering polymer-modified bitumen. General Re-Roof Requirements . . Mineral-surfaced roll roofing shall be fastened to solidly sheathed roofs. over the entire roof and over the 4-inchwide (102 mm) membrane strips and. Minimum headlap for slate shingles shall be in accordance with Table R905.6.5. Thermoplastic single-ply roofs shall be installed in accordance with this chapter and the manufacturer's instructions. 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. Table R806.5 of the 2018 IRC lists the thermal insulation requirements for each assembly. 2018 irc roof sheathing requirements. IRC Section 301.3 Story Height: The ability is restored to construct a story of a dwelling using 12-foot high bearing walls if the wall studs are engineered for gravity loads, wall bracing amounts are increased, and a roof or celling diaphragm provides support to the studs. Mineral-surfaced roll roofing shall not be applied on roof. %%EOF
For open valleys, valley lining of two plies of mineral-surfaced roll roofing, complying with ASTM D3909 or ASTM D6380 Class M, shall be permitted. Thermoset single-ply membrane roofs shall have a design. Materials and methods of application used for recovering or replacing an existing, The structural roof components shall be capable of supporting the, Flashings shall be reconstructed in accordance with, Chapter 9 addresses the design and construction of, R902.2 Fire-Retardant-Treated Shingles and Shakes, R902.3 Building-Integrated Photovoltaic Product, R902.4 Rooftop-Mounted Photovoltaic Panel Systems, R903.4.1 Secondary (Emergency Overflow) Drains or Scuppers, R904.3 Material Specifications and Physical Characteristics, Section R905 Requirements for Roof Coverings, R905.2.4.1 Wind Resistance of Asphalt Shingles, R905.14 Sprayed Polyurethane Foam Roofing, R905.17 Building-Integrated Photovoltaic (BIPV) Roof Panels Applied Directly to the Roof Deck, Section R907 Rooftop-Mounted Photovoltaic Panel Systems, R907.1 Rooftop-Mounted Photovoltaic Panel Systems, Building-integrated photovoltaic products. Slate shingles shall be fastened to solidly sheathed roofs.
2018 International Residential Code (Irc) | Icc Digital Codes Stainless steel fasteners are acceptable for metal roofs. R905.2.4.1 Wind Resistance of Asphalt Shingles, R905.14 Sprayed Polyurethane Foam Roofing, Section R907 Rooftop-Mounted Photovoltaic Systems, R907.1 Rooftop-Mounted Photovoltaic Systems, Section R909 Rooftop-Mounted Photovoltaic Panel Systems, Building-integrated photovoltaic products. Asphalt shingles shall be used only on roof slopes of two units vertical in 12 units horizontal (2:12) or greater. The 2020 Minnesota Residential Code adopts the 2018 International Residential Code (IRC). For SI: 1 inch = 25.4 mm, 1 mile per hour = 0.447 m/s. The installation of wood shingles shall comply with the provisions of this section. Mineral-surfaced roll roofing shall conform to ASTM D 3909 or ASTM D 6380, Class M. Mineral-surfaced roll roofing shall be installed in accordance with this chapter and the manufacturer's instructions. R905.2.1 Sheathing requirements.
PDF Esr-3012 - Westlake Royal Roofing Llc Materials and methods of application used for recovering or replacing an existing, The structural roof components shall be capable of supporting the, Flashings shall be reconstructed in accordance with, Chapter 9 addresses the design and construction of, The 24 inch measurement shall be along the, Building-integrated photovoltaic products. Minimum headlap for slate shingles shall be in accordance with Table R905.6.5. The installation of sprayed polyurethane foam roofing shall comply with the provisions of this section. SECTION R801 GENERAL.
The installation of slate shingles shall comply with the provisions of this section. Adjacent segments of drip edge shall be overlapped not less than 2 inches (51 mm). Liquid-applied roofing shall comply with ASTM C836, C957, D1227, D3468, D6083, D6694 or D6947. Asphalt shingles shall be fastened to solidly sheathed decks. redundant requirements for stud nailing, and create consistency in the IRC for roof sheathing attachment. or less. Where siding is provided on the vertical sidewall, the vertical leg of the flashing shall be continuous under the siding. Above-deck thermal insulation board shall comply with the standards in Table 906.2. Adjacent segments of drip edge shall be overlapped not less than 2 inches (51 mm). Roofing materials must be installed in accordance with Chapter 9 of the 2020 Minnesota Residential Code and the manufacturer's installation Foam plastic materials and installation shall comply with. Liquid-applied roofing shall have a design. 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 Asphalt shingles shall be used only on roof. 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. Interlayment shall comply with ASTM D226, Type I. Fifteen-inch (381 mm) or 18-inch (457 mm) wood shakes shall be permitted to be used for the final course at the. The installation of mineral-surfaced roll roofing shall comply with this section. Asphalt shingle packaging shall bear a.
PDF Roof Deck Requirements for Installation of Asphalt Shingles Technical Modified bitumen roofs shall be installed in accordance with this chapter and the manufacturer's instructions.
Roof Sheathing Thickness | The Building Code Forum 26 gage [0.019 inches (0.5 mm)] corrosion-resistant sheet metal and shall extend 10 inches (254 mm) from the centerline each way for roofs having, Each bundle of shingles shall be identified by a. 2018, 2021 IECC: Mass walls shall be in accordance with Section R402.2.5 (N1102.2.5 in 2018 IRC). The installation of wood shakes shall comply with the provisions of this section. Liquid-applied roofing shall comply with ASTM C836, C957, D1227, D3468, D6083, D6694 or D6947. Foam plastic materials and installation shall comply with. The installation of liquid-applied roofing shall comply with the provisions of this section. 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. The bottom layer shall be 18 inches (457 mm) and the top layer not less than 36 inches (914 mm) wide. 26 gage [0.019 inch (0.5 mm)] corrosion-resistant sheet metal and shall extend not less than 11 inches (279 mm) from the centerline each way. 26 gage [0.019 inch (0.5 mm)] corrosion-resistant sheet metal and shall extend not less than 11 inches (279 mm) from the centerline each way. Copper, brass, bronze, copper alloy and 300-series stainless steel fasteners shall be used for copper roofs. In areas where there has been a history of ice forming along the eaves causing a backup of water as designated in. Mineral-surfaced roll roofing shall conform to ASTM D3909 or ASTM D6380, Class M. Mineral-surfaced roll roofing shall be installed in accordance with this chapter and the manufacturer's instructions. Asphalt shingles shall comply with ASTM D3462. Modified bitumen membrane roofs shall have a design. Install flashing at roof penetrations and wall intersections. Slate shingles shall comply with ASTM C406. arrow_right. 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. Liquid-applied roofing shall be installed in accordance with this chapter and the, Where required, an ice barrier shall comply with, 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 open valleys, valley lining of two plies of mineral-surfaced roll roofing, complying with ASTM D3909 or ASTM D6380 Class M, shall be permitted. The installation of wood shakes shall comply with the provisions of this section. Sprayed polyurethane foam roofs shall have a design. Self-adhering polymer-modified bitumen. Spaced lumber decking CoL Refer to the manufacturer's technical bulletin regarding requirements for existing deck boards. 2018 International Building Code (IBC) BASIC Upgrade to Premium CHAPTER 15 ROOF ASSEMBLIES AND ROOFTOP STRUCTURES First Version: Aug 2017 All Codes I-Codes Legend Information Code Sections My Notes 2018 International Building Code (IBC) PREFACE arrow_right arrow_right arrow_right arrow_right arrow_right arrow_right arrow_right arrow_right 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, Asphalt shingles shall have the minimum number of fasteners required by the manufacturer's. . Sprayed polyurethane foam roofs shall have a design. The installation of modified bitumen roofing shall comply with the provisions of this section. Above-deck thermal insulation board shall comply with the standards in Table R906.2. 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. Paint systems in accordance with ASTM A 755 shall be applied over steel products with corrosion-resistant coatings complying with ASTM A 792, ASTM A 875, ASTM A 463, or ASTM A 653. Valley flashing shall be not less than 15 inches (381 mm) wide. Asphalt shingles shall be fastened to solidly sheathed decks. Sections of flashing shall have an end lap of not less than 4 inches (102 mm). Nails shall be corrosion resistant and not less than 11 gage, Tile shall be applied in accordance with this chapter and the, At the juncture of roof vertical surfaces, flashing and counterflashing shall be provided in accordance with this chapter and the, Roof valley flashing shall be of corrosion-resistant metal of the same material as the. For SI: 1 ounce per square foot = 0.305 kg/m, The installation of modified bitumen roofing shall comply with the provisions of this section and the manufacturer's, Modified bitumen roofing shall have a design. Fifteen-inch (381 mm) or 18-inch (457 mm) wood shakes shall be permitted to be used for the final course at the.
2018 International Residential Code (Irc) | Icc Digital Codes Mineral-surfaced roll roofing shall not be applied on roof. Interlayment shall comply with ASTM D226, Type I. Spray-applied polyurethane foam insulation shall comply with ASTM C1029, Type III or IV or ASTM D7425. Asphalt shingles shall comply with ASTM D3462. 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. Liquid-applied roofing shall comply with ASTM C836, C957, D1227, D3468, D6083, D6694 or D6947. The second R-value applies when more than half of the insulation is on the interior of the mass wall. 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. 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. 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. Slate shingles shall comply with ASTM C406. Above-deck thermal insulation board shall comply with the standards in Table R906.2. The installation of thermoplastic single-ply roofing shall comply with the provisions of this section. For SI: 1 inch = 25.4 mm, 1 mile per hour = 0.447 m/s. Modified bitumen roofing shall comply with the standards in Table R905.11.2. The installation of wood shakes shall comply with the provisions of this section. The bottom layer shall be 18 inches (457 mm) and the top layer not less than 36 inches (914 mm) wide. Adjacent segments of drip edge shall be overlapped not less than 2 inches (51 mm). Built-up roofs shall be installed in accordance with this chapter and the manufacturer's instructions. Foamed-in-place roof insulation shall be installed in accordance with this chapter and the manufacturer's instructions. The framing assembly incudes horizontal braces, vertical retrofit studs, and compression blocks. CONTINUE WITH CODE REQ'S The installation of mineral-surfaced roll roofing shall comply with this section. 12 oz/sq ft for preformed metal shingle systems. Slate shingles shall be fastened to solidly sheathed roofs. R803.1 is for lumber sheathing.
2018 International Residential Code (Irc) | Icc Digital Codes Slate shingles shall be fastened to solidly sheathed roofs. 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. 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. 1. 26 gage [0.019 inch (0.5 mm)] corrosion-resistant sheet metal and shall extend not less than 11 inches (279 mm) from the centerline each way. Participants will be able to use this document to identify changes between the 2015 and 2018 IRC allowing them to apply theses code requirements to design, plan submittals and/or inspection. Valley linings of the following types shall be permitted: For SI: 1 inch = 25.4 mm, 1 pound = 0.454 kg. Asphalt shingles shall be fastened to solidly sheathed decks. conditions about your roof that may limit your product choices or affect the cost of your roofing job. For SI: 1 ounce per square foot = 0.305 kg/m. Asphalt shingles shall be tested in accordance with ASTM D7158. Mineral-surfaced roll roofing shall conform to ASTM D3909 or ASTM D6380, Class M. Mineral-surfaced roll roofing shall be installed in accordance with this chapter and the manufacturer's instructions. 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. Water soaked or deteriorating decking must be replaced. Sections of flashing shall have an end lap of not less than 4 inches (102 mm).
Chapter 9: Roof Assemblies, 2015 IRC portion of the 2018 CT - UpCodes Flashing for asphalt shingles shall comply with this section. Sprayed polyurethane foam roofs shall have a design. The installation of sprayed polyurethane foam roofing shall comply with the provisions of this section. Asphalt shingles shall be fastened to solidly sheathed decks. For open valleys, valley lining of two plies of mineral-surfaced roll roofing, complying with ASTM D 3909 or ASTM D 6380 Class M, shall be permitted. Roof penetrations shall be flashed and sealed in accordance with this chapter. 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.