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2015 IRC portion of the 2018 CT State Building Code, Part III Building Planning and Construction, R907 Rooftop-Mounted Photovoltaic Systems, R909 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 Recommended Procedure for Worst-Case Testing of Atmospheric Venting Systems Under N1102.4 or N1105 Conditions 5ACH, Appendix U Solar-Ready ProvisionsDetached One- And Two-Family Dwellings, Multiple Single-Family Dwellings (Townhouses), Appendix V Wind Speeds, Seismic Design Categories and Ground Snow Loads, 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, For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, In areas where there has been a history of ice forming along the eaves causing a backup of water as designated in. Spray-applied polyurethane foam insulation shall comply with ASTM C1029, Type III or IV or ASTM D7425. 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. Sections of flashing shall have an end lap of not less than 4 inches (102 mm). Cap nail shank shall have a length sufficient to penetrate through the roof sheathing or not less than, The standard calculations contained in ASTM D7158 assume Exposure Category B or C and a. 2018 IRC Simplified Wall Bracing Provisions 4 Objectives Upon completion, participants will be better able to: 1. endstream endobj 202 0 obj <. For open valleys (valley lining exposed) lined with metal, the valley lining shall be not less than 24 inches (610 mm) wide and of any of the corrosion-resistant metals in Table R905.2.8.2. Asphalt shingles shall be tested in accordance with ASTM D7158. The installation of slate shingles shall comply with the provisions of this section. Modified bitumen roofing shall comply with the standards in Table 905.11.2. Where anchored masonry veneer is provided on the vertical sidewall, the base flashing shall be provided in accordance with this section and counterflashing shall be provided in accordance with, Flashing against a vertical front wall, as well as soil, A drip edge shall be provided at eaves and rake edges of. arrow_right. Galvanized fasteners shall be used for steel roofs. See Table R503.2.1.1 for minimum allowable panel thickness by span and load.) Exception: Detached accessory structures not containing conditioned floor area. R905.2Asphalt shingles. Galvanized fasteners shall be used for steel roofs. 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 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 ASTM B209, 0.024 minimum thickness for roll-formed panels and 0.019-inch minimum thickness for pressformed shingles. Rooftop-mounted photovoltaic systems shall be installed in accordance with the manufacturer's instructions. Adjacent segments of drip edge shall be overlapped not less than 2 inches (51 mm). The bottom layer shall be 18 inches (457 mm) and the top layer not less than 36 inches (914 mm) wide. Same as Maximum Ultimate Design Wind Speed, Apply in accordance with the manufacturer's, Asphalt-saturated and asphalt-coated organic felt base sheet, Asphalt-saturated organic felt (perforated), Coal-tar primer used in roofing, dampproofing and waterproofing, ASTM B 370 minimum 16 oz/sq ft and 12 oz/sq ft high-yield copper for metal-sheet, ASTM B 209, 0.024 minimum thickness for roll-formed panels and 0.019-inch minimum, 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-, As an alternative, self-adhering polymer-modified bitumen, The standard calculations contained in ASTM D 7158 assume Exposure Category B or C and. For SI: 1 inch = 25.4 mm, 1 mile per hour = 0.447 m/s. For SI: 1 foot = 304.8 mm; 1 mile per hour = 0.447 m/s. Asphalt shingles shall meet the classification requirements of Table R905.2.4.1 for the appropriate ultimate design wind speed. Base and cap flashing shall be installed in accordance with manufacturer's instructions. Reroofing shall not be required to meet the minimum design, For roofs that provide positive drainage, recovering or replacing an existing, Complete and separate roofing systems, such as standing-seam metal roof systems, that are designed to transmit the roof loads directly to the building's structural system and do not rely on existing roofs and, Where the existing roof has two or more applications of any type of. The installation of slate shingles shall comply with the provisions of this section. The installation of sprayed polyurethane foam roofing shall comply with the provisions of this section. The installation of asphalt shingles shall comply with the provisions of this section. R902.2 Fire-Retardant-Treated Shingles and Shakes, R902.3 Building-Integrated Photovoltaic Product, R902.4 Rooftop-Mounted Photovoltaic Panels and Modules, R903.4.1 Secondary (Emergency Overflow) Drains or Scuppers, R904.3 Material Specifications and Physical Characteristics, Section R905 Requirements for Roof Coverings. A minimum 4-inch-wide (102 mm) strip of selfadhering polymer-modified bitumen membrane complying with ASTM D 1970, installed in accordance with the manufacturer's instructions for the deck material, shall be applied over all joints in the roof decking. 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 bottom layer shall be 18 inches (457 mm) and the top layer not less than 36 inches (914 mm) wide. Liquid-applied roofing shall have a design. R905.2.2 Slope. For SI: 1 inch = 25.4 mm, 1 mile per hour = 0.447 m/s. Section R901 General R901.1 Scope The provisions of this chapter shall govern the design, materials, construction and quality of roof assemblies. 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. For closed valleys (valley covered with shingles), valley lining of one ply of smooth roll roofing complying with ASTM D 6380 and not less than 36 inches wide (914 mm) or valley lining as described in Item 1 or 2 shall be permitted. The installation of liquid-applied roofing shall comply with the provisions of this section. Allowable spans for lumber used as roof sheathing shall conform to Table R803.1. Where siding is provided on the vertical sidewall, the vertical leg of the flashing shall be continuous under the siding. Wood shakes shall comply with the requirements of Table R905.8.5. The 2018 IRC specifies the ratios based on climate zone. Part III Building Planning and Construction, 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 904 and 905. 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 thermoplastic single-ply roofing shall comply with the provisions of this section. 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. Reroofing shall not be required to meet the minimum design, For roofs that provide positive drainage, recovering or replacing an existing, Complete and separate roofing systems, such as standing-seam metal roof systems, that are designed to transmit the roof loads directly to the building's structural system and do not rely on existing roofs and, Where the existing roof has two or more applications of any type of. Install a two-layer #30 felt underlayment system. Interlayment shall comply with ASTM D226, Type I. Valley linings shall be installed in accordance with the manufacturer's instructions before applying shingles. Base flashing against a vertical sidewall shall be continuous or step flashing and shall be not less than 4 inches (102 mm) in height and 4 inches (102 mm) in width and shall direct water away from the vertical sidewall onto the roof or into the gutter. For SI: 1 inch = 25.4 mm, 1 mile per hour = 0.447 m/s. ASTM B209, 0.024 minimum thickness for roll-formed panels and 0.019-inch minimum thickness for pressformed shingles. Above-deck thermal insulation board shall comply with the standards in Table R906.2. 12 oz/sq ft for preformed metal shingle systems. Thermoplastic single-ply membrane roofs shall have a design. For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 mile per hour = 0.447 m/s. 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. The bottom layer shall be 18 inches (457 mm) and the top layer not less than 36 inches (914 mm) wide. Wolf Hollow Chapter 1, Fayette County Magistrate Court Wv, Airbnb With Hot Tub Greensboro Nc, 2017 2018 Unc Basketball Roster, Mercari Ship On Your Own Option, What Is Chip Kullik Doing Now, Barbara Meshad Dooley Age, The Glamorous Imperial Concubine Happy Or Sad Ending, Valley flashing shall be not less than 15 inches (381 mm) wide. The second R-value applies when more than half of the insulation is on the interior of the mass wall. Minimum headlap for slate shingles shall be in accordance with Table R905.6.5. The installation of thermoset single-ply roofing 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. 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. 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. 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. Sections of flashing shall have an end lap of not less than 4 inches (102 mm). Flashing and counterflashing shall be made with sheet metal. 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. 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. Valley linings of the following types shall be permitted: For SI: 1 inch = 25.4 mm, 1 pound = 0.454 kg. Reroofing shall not be required to meet the minimum design, For roofs that provide positive drainage, recovering or replacing an existing, Complete and separate roofing systems, such as standing-seam metal roof systems, that are designed to transmit the roof loads directly to the building's structural system and do not rely on existing roofs and, Where the existing roof has two or more applications of any type of. 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. Please see IRC Sec- The GAF VersaShield Fire-Resistant Roof Deck Protection may be placed under or over the counterbattens. Roofing materials must be installed in accordance with Chapter 9 of the 2020 Minnesota Residential Code and the manufacturer's installation The 2020 Minnesota Residential Code adopts the 2018 International Residential Code (IRC). 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. Wood shakes shall comply with the requirements of Table R905.8.5. Table R806.5 of the 2018 IRC lists the thermal insulation requirements for each assembly. Valley linings of the following types shall be permitted: For SI: 1 inch = 25.4 mm, 1 pound = 0.454 kg. For SI: 1 inch = 25.4 mm, 1 mile per hour = 0.447 m/s. SECTION R801 GENERAL. arrow_right. Asphalt shingles shall comply with ASTM D3462. Stainless steel fasteners are acceptable for metal roofs. In areas where there has been a history of ice forming along the eaves causing a backup of water as designated in. Roof Deck Requirements for Installation of Asphalt Shingles Technical . hb```g``:AX,;nkga3l~/ * 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. Asphalt shingles shall meet the classification requirements of Table R905.2.4.1 for the appropriate ultimate design wind speed. The framing assembly incudes horizontal braces, vertical retrofit studs, and compression blocks. 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. 2. 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. A new Footnote j 12 oz/sq ft for preformed metal shingle systems. Slate shingles shall comply with ASTM C406. 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. The installation of liquid-applied roofing shall comply with the provisions of this section. Asphalt shingles shall meet the classification requirements of Table R905.2.4.1 for the appropriate ultimate design wind speed. Slate shingles shall be installed in accordance with this chapter and the manufacturer's instructions. The installation of thermoplastic single-ply roofing shall comply with the provisions of this section. 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. Roof penetrations shall be flashed and sealed in accordance with this chapter. 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 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. 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. Fifteen-inch (381 mm) or 18-inch (457 mm) wood shakes shall be permitted to be used for the final course at the. Sprayed polyurethane foam roofs shall have a design. Valley linings shall be installed in accordance with the manufacturer's instructions before applying shingles. Thermoset single-ply roofs shall be installed in accordance with this chapter and the manufacturer's instructions. Copper, brass, bronze, copper alloy and 300-series stainless steel fasteners shall be used for copper roofs. Minimum headlap for slate shingles shall be in accordance with Table R905.6.5. Wood shakes shall comply with the requirements of Table R905.8.5. Slate shingles shall be fastened to solidly sheathed roofs. Chapter 9 also provides requirements for roof drainage, flashing, above-deck thermal insulation, rooftop-mounted photovoltaic systems and recovering or replacing an existing roof covering. In areas where there has been a history of ice forming along the eaves causing a backup of water as designated in. Thermoplastic single-ply roofs shall be installed in accordance with this chapter and the manufacturer's instructions. Underlayment for asphalt shingles, clay and concrete tile, metal roof shingles, mineral-surfaced roll roofing, slate and slate-type shingles, wood shingles, wood shakes and metal roof panels shall conform to the applicable standards listed in this chapter. (R803.1) Spaced lumber sheathing is not allowed in Seismic Design Category D 2. It guides the participant through an in-depth review and analysis of the bracing requirements for wood-framed residential structures. The installation of slate shingles shall comply with the provisions of this section. Liquid-applied roofing shall comply with ASTM C836, C957, D1227, D3468, D6083, D6694 or D6947. 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. Valley linings shall be installed in accordance with the manufacturer's instructions before applying shingles. Slate shingles shall be fastened to solidly sheathed roofs. CHAPTER 8 ROOF-CEILING CONSTRUCTION. 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 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. 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. Asphalt shingles shall meet the classification requirements of Table 905.2.4.1 for the appropriate ultimate design wind speed. Copper, brass, bronze, copper alloy and 300-series stainless steel fasteners shall be used for copper roofs. A liquid-applied protective coating that complies with Table 905.14.3 shall be applied not less than 2 hours nor more than 72 hours following the application of the foam. 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. Valley linings shall be installed in accordance with the manufacturer's instructions before applying shingles. Where siding is provided on the vertical sidewall, the vertical leg of the flashing shall be continuous under the siding. The installation of asphalt shingles shall comply with the provisions of this section. 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.