In areas where there has been a history of ice forming along the eaves causing a backup of water as designated in. Minimum headlap for slate shingles shall be in accordance with Table R905.6.5. 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. Flashing against a vertical front wall, as well as soil. 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 Section 703.8.2.2. Slate shingles shall be fastened to solidly sheathed roofs. 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. 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 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 The installation of sprayed polyurethane foam roofing shall comply with the provisions of this section. Liquid-applied roofing shall have a design. 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. 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. Interlayment shall comply with ASTM D226, Type I. SECTION R802 WOOD ROOF FRAMING. Mineral-surfaced roll roofing shall not be applied on roof. 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, Same as Maximum Ultimate Design Wind Speed, 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 905.11.2. 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 asphalt shingles shall comply with the provisions of this section. Sheathing Requirements R905.2.1 Asphalt shingles shall be fastened to solidly sheathed decks. hb```g``:AX,;nkga3l~/ * 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. Section R901 General R901.1 Scope The provisions of this chapter shall govern the design, materials, construction and quality of roof assemblies. 3. Asphalt shingles shall comply with ASTM D3462. 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. Valley and flashing metal shall be a minimum uncoated thickness of 0.0179-inch (0.5 mm) zinc coated G90. 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. Asphalt shingles shall be tested in accordance with ASTM D7158. The installation of liquid-applied roofing shall comply with the provisions of this section. The installation of wood shakes shall comply with the provisions of this section. Sprayed polyurethane foam roofs shall have a design. 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. Brace gable end walls taller than 48. inches in height to resist wind forces by installing a framing assembly at each gable wall stud. 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. 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. Slate shingles shall be installed in accordance with this chapter and the manufacturer's instructions. 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 905.2.8.2. 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. 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. 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. General Re-Roof Requirements . Minimum headlap for slate shingles shall be in accordance with Table R905.6.5. Slate shingles shall comply with ASTM C406. Asphalt shingles shall be used only on roof. Install drip edges at eaves and rakes. The installation of slate shingles shall comply with the provisions of this section. 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. Self-adhering polymer-modified bitumen. Liquid-applied roofing shall have a design. Valley flashing shall be not less than 15 inches (381 mm) wide. Wood shakes shall comply with the requirements of Table R905.8.5. Asphalt shingles shall be used only on roof. The installation of sprayed polyurethane foam roofing shall comply with the provisions of this section. Liquid-applied roofing shall comply with ASTM C836, C957, D1227, D3468, D6083, D6694 or D6947. Base and cap flashing shall be installed in accordance with manufacturer's instructions. Asphalt shingles shall meet the classification requirements of Table R905.2.4.1 for the appropriate ultimate design wind speed. 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. 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. Fifteen-inch (381 mm) or 18-inch (457 mm) wood shakes shall be permitted to be used for the final course at the. 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. Sprayed polyurethane foam roofs shall have a design. SECTION R801 GENERAL. 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. Self-adhering polymer-modified bitumen. ASTM B209, 0.024 minimum thickness for roll-formed panels and 0.019-inch minimum thickness for pressformed shingles. SECTION R804 COLD-FORMED STEEL ROOF FRAMING. Copper, brass, bronze, copper alloy and 300-series stainless steel fasteners shall be used for copper roofs. Spray-applied polyurethane foam insulation shall comply with ASTM C1029, Type III or IV or ASTM D7425. Asphalt shingles shall be tested in accordance with ASTM D7158. Asphalt shingles shall be fastened to solidly sheathed decks. %%EOF Valley linings of the following types shall be permitted: For SI: 1 inch = 25.4 mm, 1 pound = 0.454 kg. ASTM B209, 0.024 minimum thickness for roll-formed panels and 0.019-inch minimum thickness for pressformed shingles. Modified bitumen roofs shall be installed in accordance with this chapter and the manufacturer's instructions. 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. Valley flashing shall be not less than 15 inches (381 mm) wide. Install flashing at roof penetrations and wall intersections. Each bundle of shakes shall be identified by a. 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. 0 See Table R503.2.1.1 for minimum allowable panel thickness by span and load.) ASTM B209, 0.024 minimum thickness for roll-formed panels and 0.019-inch minimum thickness for pressformed shingles. 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. 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. 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 installation of mineral-surfaced roll roofing shall comply with this section. 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 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. The second R-value applies when more than half of the insulation is on the interior of the mass wall. 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. 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. Fifteen-inch (381 mm) or 18-inch (457 mm) wood shakes shall be permitted to be used for the final course at the. or less. The 2020 Minnesota Residential Code adopts the 2018 International Residential Code (IRC). 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.

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