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Chapter 9: Roof Assemblies, UCC One- & Two-Family Dwelling - UpCodes The installation of thermoplastic single-ply roofing shall comply with the provisions of this section. Valley flashing shall be not less than 15 inches (381 mm) wide. 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. If re-roofing over wood shingle, or wood shake roofs, additional code requirements may apply. 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 liquid-applied roofing shall comply with the provisions of this section. The International Residential Code (IRC) and the Residential Edition of the Florida Building Code (FBC) both refer to Table R503.2.1.1(1) of the APA Engineered Wood Construction Guide for specs. 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. Built-up roofs shall be installed in accordance with this chapter and the manufacturer's instructions. Modified bitumen roofing shall comply with the standards in Table R905.11.2. Asphalt shingles shall be tested in accordance with ASTM D7158. Where the existing roof has two or more applications of any type of roof . 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. ASTM B209, 0.024 minimum thickness for roll-formed panels and 0.019-inch minimum thickness for pressformed shingles. 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. Where the existing roof has two or more applications of any type of roof covering. Valley flashing shall be not less than 15 inches (381 mm) wide. Copper, brass, bronze, copper alloy and 300-series stainless steel fasteners shall be used for copper roofs. Mineral-surfaced roll roofing shall not be applied on roof. Foamed-in-place roof insulation shall be installed in accordance with this chapter and the manufacturer's instructions. The installation of thermoset single-ply roofing shall comply with the provisions of this section. Thermoplastic single-ply roofs shall be installed in accordance with this chapter and the manufacturer's instructions. (R803.1) Spaced lumber sheathing is not allowed in Seismic Design Category D 2. PDF Indiana Register FIRE PREVENTION AND BUILDING SAFETY COMMISSION CEB Roof Deck Requirements for Installation of Asphalt Shingles Technical . Asphalt shingles shall be fastened to solidly sheathed decks. 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. Roofing Guide to the International Residential Code (IRC) - Roof Online The installation of wood shakes shall comply with the provisions of this section. PDF 2018 International Residential Code Changes Related to Wood Construction 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. 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. Mineral-surfaced roll roofing shall not be applied on roof. Section R901 General R901.1 Scope The provisions of this chapter shall govern the design, materials, construction and quality of roof assemblies. Slate shingles shall be secured to the roof with two fasteners per slate. Foamed-in-place roof insulation shall be installed in accordance with this chapter and the manufacturer's instructions. PDF Guidelines for asphalt shingle roofing - Minnesota Asphalt shingles shall meet the classification requirements of Table 905.2.4.1 for the appropriate ultimate design wind speed. Asphalt shingles shall meet the classification requirements of Table R905.2.4.1 for the appropriate ultimate design wind speed. The second R-value applies when more than half of the insulation is on the interior of the mass wall. Thermoplastic single-ply membrane roofs shall have a design. 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 sprayed polyurethane foam roofing shall comply with the provisions of this section. Built-up roofs shall be installed in accordance with this chapter and the manufacturer's instructions. . Adjacent segments of drip edge shall be overlapped not less than 2 inches (51 mm). The installation of mineral-surfaced roll roofing shall comply with this section. Thermoset single-ply roofs shall be installed in accordance with this chapter and the manufacturer's instructions. The 4-inch-wide (102 mm) strips of self-adhering polymer-modified-bitumen membrane In areas where there has been a history of ice forming along the eaves causing a backup of water as designated in. Thermoset single-ply roofs shall be installed in accordance with this chapter and the manufacturer's instructions. 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 inch = 25.4 mm, 1 foot = 304.8 mm, 1 mile per hour = 0.447 m/s. Chapter 9: Roof Assemblies, Residential Code 2018 of Nevada | UpCodes 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. Slate shingles shall be fastened to solidly sheathed roofs. Slate shingles shall be secured to the roof with two fasteners per slate. Valley linings of the following types shall be permitted: For SI: 1 inch = 25.4 mm, 1 pound = 0.454 kg. Thermoplastic single-ply roofs shall be installed in accordance with this chapter and the manufacturer's instructions. 2009-2021 IECC and IRC Minimum Insulation Requirements for New Homes - PNNL The GAF VersaShield Fire-Resistant Roof Deck Protection may be placed under or over the counterbattens. Asphalt shingle packaging shall bear a. The installation of sprayed polyurethane foam roofing shall comply with the provisions of this section. SECTION R804 COLD-FORMED STEEL ROOF FRAMING. 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. Asphalt shingles shall comply with ASTM D3462. Valley linings shall be installed in accordance with the manufacturer's instructions before applying shingles. The installation of wood shingles 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, 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. Thermoplastic single-ply roofs 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. 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 shingle roofs. Drip edges shall extend not less than. A base sheet that complies with the requirements of. Self-adhering polymer modified bitumen. (R803.1) Hold-Downs and Hardware Install 7/16 in.-structural sheathing (OSB or plywood) on the vertical face of the gable end wall. Foam plastic materials and installation shall comply with. 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. Flashing against a vertical front wall, as well as soil. 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 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 bottom layer shall be 18 inches (457 mm) and the top layer not less than 36 inches (914 mm) wide. 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. Liquid-applied roofing shall comply with ASTM C836, C957, D1227, D3468, D6083, D6694 or D6947. 12 oz/sq ft for preformed metal shingle systems. SECTION R802 WOOD ROOF FRAMING. 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 thermoset single-ply roofing shall comply with the provisions of this section. Slate shingles shall be fastened to solidly sheathed roofs. Water soaked or deteriorating decking must be replaced. Plywood is a wood structural panel covered in R803.2.2 which points you to R503.2.1.1 There is a lot of cross over between chapters 5, 6, and 8, so don't just go with the chapter titles of floor, wall, roof. Where siding is provided on the vertical sidewall, the vertical leg of the flashing shall be continuous under the siding. 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. RESIDENTIAL ROOFING GUIDE 2018 irc - Loveland, Colorado 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. Self-adhering polymer-modified bitumen. Slate shingles shall be secured to the roof with two fasteners per slate. Galvanized fasteners shall be used for steel roofs. Sections of flashing shall have an end lap of not less than 4 inches (102 mm). The 2020 Minnesota Residential Code adopts the 2018 International Residential Code (IRC). Slate shingles shall comply with ASTM C406. 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. Minimum headlap for slate shingles shall be in accordance with Table R905.6.5. Slate shingles shall be installed in accordance with this chapter and the manufacturer's instructions. R905.2Asphalt shingles. PDF Esr-3012 - Westlake Royal Roofing Llc It guides the participant through an in-depth review and analysis of the bracing requirements for wood-framed residential structures. 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. The bottom layer shall be 18 inches (457 mm) and the top layer not less than 36 inches (914 mm) wide. 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 shingle roofs. 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. 2018 International Residential Code (Irc) | Icc Digital Codes The installation of slate shingles 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. Sheathing Requirements R905.2.1 Asphalt shingles shall be fastened to solidly sheathed decks. Base and cap flashing shall be installed in accordance with manufacturer's instructions. Rooftop-mounted photovoltaic systems shall be installed in accordance with the manufacturer's instructions. Asphalt shingle packaging shall bear a. For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 mile per hour = 0.447 m/s. Roof Sheathing Ring Shank nails have been added to Table R602.3(1) Fastening Schedule with the designation RSRS-01 (2-3/8" x 0.113") as an option for roof sheathing attachment. Liquid-applied roofing 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. 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.