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. Modified bitumen roofing shall comply with the standards in Table R905.11.2. Copper, brass, bronze, copper alloy and 300-series stainless steel fasteners shall be used for copper roofs. 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. Self-adhering polymer modified bitumen. A base sheet that complies with the requirements of. Thermoset single-ply membrane roofs shall have a design. 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. . 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. If re-roofing over wood shingle, or wood shake roofs, additional code requirements may apply. Flashing and counterflashing shall be made with sheet metal. Sheathing Requirements R905.2.1 Asphalt shingles shall be fastened to solidly sheathed decks. Self-adhering polymer-modified bitumen. arrow_right. Galvanized fasteners shall be used for steel roofs. Water soaked or deteriorating decking must be replaced. 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. Asphalt shingles shall be used only on roof. 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. 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. Flashing for asphalt shingles shall comply with this section. The framing assembly incudes horizontal braces, vertical retrofit studs, and compression blocks. 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. 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. Liquid-applied roofing shall comply with ASTM C836, C957, D1227, D3468, D6083, D6694 or D6947. Drip edges shall extend not less than. 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 comply with ASTM D3462. The installation of asphalt shingles shall comply with the provisions of this section. 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. 1. Each bundle of shakes shall be identified by a. Modified bitumen roofs shall be installed in accordance with this chapter and the manufacturer's instructions. Asphalt shingles shall be tested in accordance with ASTM D7158. The installation of slate shingles shall comply with the provisions of this section. The installation of thermoset single-ply roofing shall comply with the provisions of this section. Slate shingles shall be installed in accordance with this chapter and the manufacturer's instructions. Sprayed polyurethane foam roofs shall have a design. 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. Valley linings shall be installed in accordance with the manufacturer's instructions before applying shingles. Asphalt shingle packaging shall bear a. Asphalt shingles shall meet the classification requirements of Table R905.2.4.1 for the appropriate ultimate design wind speed. arrow_right. Roof valley flashing shall be not less than No. The installation of slate shingles shall comply with the provisions of this section. 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. Slate shingles shall be installed in accordance with this chapter and the manufacturer's instructions. Spray-applied polyurethane foam insulation shall comply with ASTM C1029, Type III or IV or ASTM D7425. 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. The installation of asphalt shingles shall comply with the provisions of this section. For SI: 1 ounce per square foot = 0.305 kg/m. 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. For SI: 1 foot = 304.8 mm; 1 mile per hour = 0.447 m/s. Asphalt shingles shall be used only on roof. 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. Copper, brass, bronze, copper alloy and 300-series stainless steel fasteners shall be used for copper roofs. Thermoset single-ply roofs shall be installed in accordance with this chapter and the manufacturer's instructions. Slate shingles shall be secured to the roof with two fasteners per slate. Roofing materials must be installed in accordance with Chapter 9 of the 2020 Minnesota Residential Code and the manufacturer's installation Galvanized fasteners shall be used for steel roofs. Valley linings of the following types shall be permitted: For SI: 1 inch = 25.4 mm, 1 pound = 0.454 kg. or less. Asphalt shingles shall be fastened to solidly sheathed decks. 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 Section R901 General R901.1 Scope The provisions of this chapter shall govern the design, materials, construction and quality of roof assemblies. 233 0 obj <>/Filter/FlateDecode/ID[<4D23A6406EEE004484C52F82EDD55E2A>]/Index[201 60]/Info 200 0 R/Length 141/Prev 323429/Root 202 0 R/Size 261/Type/XRef/W[1 3 1]>>stream Wood shakes shall comply with the requirements of Table R905.8.5. Install a two-layer #30 felt underlayment system. Asphalt shingle packaging shall bear a, 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, but not less than four fasteners per strip shingle or two fasteners per individual shingle. Rooftop-mounted photovoltaic systems shall be installed in accordance with the manufacturer's instructions. Install 7/16 in.-structural sheathing (OSB or plywood) on the vertical face of the gable end wall.
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