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. 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. 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. 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. 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. Where siding is provided on the vertical sidewall, the vertical leg of the flashing shall be continuous under the siding. Install 7/16 in.-structural sheathing (OSB or plywood) on the vertical face of the gable end wall. Spaced lumber decking CoL Refer to the manufacturer's technical bulletin regarding requirements for existing deck boards. Asphalt shingles shall be used only on roof. Base and cap flashing shall be installed in accordance with manufacturer's instructions. 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. Minimum headlap for slate shingles shall be in accordance with Table R905.6.5. Where the roof, Where required, ice barriers shall comply with. Stainless steel fasteners are acceptable for metal roofs. Roof valley flashing shall be not less than No. 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. The installation of wood shakes shall comply with the provisions of this section. Above-deck thermal insulation board shall comply with the standards in Table R906.2. Foam plastic materials and installation shall comply with. Asphalt shingles shall comply with ASTM D3462. The installation of wood shingles shall comply with the provisions of this section. Asphalt shingle packaging shall bear a. Valley flashing shall be not less than 15 inches (381 mm) wide. Asphalt shingles shall comply with ASTM D3462. ASTM B209, 0.024 minimum thickness for roll-formed panels and 0.019-inch minimum thickness for pressformed shingles. The installation of slate shingles shall comply with the provisions of this section. Slate shingles shall comply with ASTM C 406. 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. Flashing and counterflashing shall be made with sheet metal. 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. Adjacent segments of drip edge shall be overlapped not less than 2 inches (51 mm). Table R803.1 is for roof sheathing which requires 5/8 plywood with rafters 24" o.c. 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. 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 PDF Esr-3012 - Westlake Royal Roofing Llc 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. Asphalt shingles shall be fastened to solidly sheathed decks. In areas where there has been a history of ice forming along the eaves causing a backup of water as designated in. The installation of wood shingles shall comply with the provisions of this section. Asphalt shingle packaging shall bear a. roof sheathing, skylights, change of roof pitch, addition or relocation of mechanical units, or installation of heavier materials than were previously installed. Slate shingles shall comply with ASTM C406. 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. The bottom layer shall be 18 inches (457 mm) and the top layer not less than 36 inches (914 mm) wide. 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. 201 0 obj <> endobj 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. Self-adhering polymer modified bitumen. 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. Asphalt shingles shall be used only on roof. Foam plastic materials and installation shall comply with. Interlayment shall comply with ASTM D226, Type I. ASTM B209, 0.024 minimum thickness for roll-formed panels and 0.019-inch minimum thickness for pressformed shingles. The ratio changes based on climate severity. Liquid-applied roofing shall have a design. over the entire roof and over the 4-inchwide (102 mm) membrane strips and. The installation of thermoplastic single-ply roofing shall comply with the provisions of this section. 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. Built-up roofs shall be installed in accordance with this chapter and the manufacturer's instructions. References are to the 2018 International Residential Code (sections are designated as R). 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. 2018 irc roof sheathing requirements - kazuyasu.net Interlayment shall comply with ASTM D226, Type I. 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. For SI: 1 foot = 304.8 mm; 1 mile per hour = 0.447 m/s. Valley linings shall be installed in accordance with the manufacturer's instructions before applying shingles. 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. 2018 International Residential Code (Irc) | Icc Digital Codes Mineral-surfaced roll roofing shall be fastened to solidly sheathed roofs. Wood shakes shall comply with the requirements of Table R905.8.5. For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 mile per hour = 0.447 m/s. Sprayed polyurethane foam roofs shall have a design. Stainless steel fasteners are acceptable for metal roofs. Minimum headlap for slate shingles shall be in accordance with Table 905.6.5. Spray-applied polyurethane foam insulation shall comply with ASTM C1029, Type III or IV or ASTM D7425. Real wood. 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. 2009-2021 IECC and IRC Minimum Insulation Requirements for New Homes - PNNL 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. 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. DEWALT Building Code Reference: Based on the 2018 International In areas where there has been a history of ice forming along the eaves causing a backup of water as designated in. For SI: 1 inch = 25.4 mm, 1 mile per hour = 0.447 m/s. 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. PDF 2018 International Residential Code Changes Related to Wood Construction Where siding is provided on the vertical sidewall, the vertical leg of the flashing shall be continuous under the siding. Adjacent segments of drip edge shall be overlapped not less than 2 inches (51 mm). Stainless steel fasteners are acceptable for metal roofs. 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. CONTINUE WITH CODE REQ'S 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. 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. 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. hb```g``:AX,;nkga3l~/ * 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. PDF Inspection Checklist - Residential Re-Roof - MyBuildingPermit Liquid-applied roofing shall comply with ASTM C836, C957, D1227, D3468, D6083, D6694 or D6947. The GAF VersaShield Fire-Resistant Roof Deck Protection may be placed under or over the counterbattens. CHAPTER 8 ROOF-CEILING CONSTRUCTION. Install drip edges at eaves and rakes. Copper, brass, bronze, copper alloy and 300-series stainless steel fasteners shall be used for copper roofs. 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. Thermoset single-ply roofs shall be installed in accordance with this chapter and the manufacturer's instructions. Asphalt shingles shall be fastened to solidly sheathed decks. For roofs that provide positive drainage, re-covering 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, The application of a new protective coating over an existing spray polyurethane foam roofing system shall be permitted without tear-off of existing, Where the existing roof has two or more applications of any type of. Asphalt shingles shall be used only on roof. R905.2Asphalt shingles. Slate shingles shall be installed in accordance with this chapter and the manufacturer's instructions. For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 mile per hour = 0.447 m/s. Copper, brass, bronze, copper alloy and 300-series stainless steel fasteners shall be used for copper roofs. 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. arrow_right. Where siding is provided on the vertical sidewall, the vertical leg of the flashing shall be continuous under the siding. PDF Roof Deck Requirements for Installation of Asphalt Shingles Technical 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. 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 -inch-diameter (9.5 mm) head, complying with ASTM F1667, of a length to penetrate through the roofing materials and not less than inch (19.1 mm) into the roof sheathing. Liquid-applied roofing shall comply with ASTM C 836, C 957, D 1227, D 3468, D 6083, D 6694 or D 6947. Thermoplastic single-ply roofs shall be installed in accordance with this chapter and the manufacturer's instructions. Mineral-surfaced roll roofing shall be fastened to solidly sheathed roofs.

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