Please type the text you see in the image into the text box and submit WOOD SHAKE WEATHER EXPOSURE AND ROOF SLOPE. The International Residential Code (IRC) is a comprehensive collection of the specific rules that apply to residential construction and that is administered by the International Code Council (ICC). Mineral-surfaced roll roofing shall be fastened to solidly sheathed roofs. Once the IRC is published, it will be time to start a new code change cycle once again, with Group A code changes due January 8, 2018. This page references the 2018 International Residential Code. In the meantime, following is a summary of how designers in the U.S. have successfully implemented occupied roof decks in their projects without including them in the total building’s height, number of stories and area. Wood shakes shall be laid with a side lap not less than 11/2 inches (38 mm) between joints in adjacent courses. The installation of slate shingles shall comply with the provisions of this section. Drip edges shall extend not less than. For sheathing less than 3/4 inch in (19.1 mm) thickness, each fastener shall penetrate through the sheathing. 2018 International Codes#. Highlight changes enacted by your local jurisdiction. Materials and methods of application used for re-covering or replacing an existing roof covering shall comply with the requirements of Chapter 9. Highlight differences between any two building codes. End laps shall, horizontal (2:12), up to four units vertical in 12 units, layers applied in the following manner: apply a, starting at the eaves. Cap nail shank shall have a length sufficient to penetrate through the roof sheathing or not less than. Hopefully given the above examples you can find it easier to size wood roof rafters per the Tables within the International Residential Code. Roof coverings shall be designed in accordance with this code, and installed in accordance with … 1 0 obj 2. Class A, B and C roofing required by this section to be listed shall be tested in accordance with UL 790 or ASTM E108. To Learn more about the design and construction of wood roof framing, be sure to check out Section R802 of the 2018 International Residential Code (IRC). Save and quickly access sections most relevant to your project. Code calculators automatically generate a detailed list of requirements. 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, 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, R907 Rooftop-Mounted Photovoltaic Panel Systems, R907.1 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 Provisions—Detached One- And Two-Family Dwellings and Townhouses, Building-integrated photovoltaic products, Section R905 Requirements for Roof Coverings, Section R907 Rooftop-Mounted Photovoltaic Panel Systems. Asphalt shingles shall be fastened to solidly sheathed decks. Fasteners installed within 15 miles (24 km) of saltwater coastal areas shall be stainless steel Type 316. Fastener packaging shall bear a label indicating the appropriate grade material or coating weight. The installation of asphalt shingles shall comply with the provisions of this section. stream For a good guide to the entire IRC, consider getting DEWALT 2018 Residential Construction Codes: Complete Handbook. Roof Decks without Roof Coverings. In areas where the average daily temperature in January is 25°F (-4°C) or less, Roof flashing shall be not less than No. End laps shall be 4 inches, shall be not fewer than two layers applied as, follows: starting at the eave, apply a 19-inch strip. Roof valley flashing shall be not less than No. Asphalt shingles shall be tested in accordance with ASTM D7158. Galvanized fasteners shall be used for steel roofs. Foamed-in-place roof insulation shall be installed in accordance with this chapter and the manufacturer's instructions. Top of footing shall be level for full bearing support of post. Weather exposure for wood shingles shall not exceed those set in Table R905.7.5(1). 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. 11.) The installation of thermoplastic single-ply roofing shall comply with the provisions of this section. The installation of wood shingles shall comply with the provisions of this section. endobj Articles; Press Release; Tech Alert; Webinars; Future 2018 IBC Amendments Made Early Due to the Library Gardens Apartment Tragedy . Fastener packaging shall bear a label indicating the appropriate grade material or coating weight. Capture and share institutional knowledge within your team and company. . Nails shall be corrosion resistant and not less than 11-gage, 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. Valley flashing shall be not less than 15 inches (381 mm) wide. A cricket or saddle shall be installed on the ridge side of any chimney or penetration more than 30 inches (762 mm) wide as measured perpendicular to the slope. Where siding is provided on the vertical sidewall, the vertical leg of the flashing shall be continuous under the siding. Sprayed polyurethane foam roofs shall have a design. (See L&I Website) The above link will take you to the Department of Labor and Industry’s website where they list 2015 code sections that were adopted on December 31, 2015. Flashing and counterflashing shall be made with sheet metal. Contains sections covering roof framing, roof sheathing, and roof ventilation. Roofs shall be covered with materials as set forth in Sections R904 and R905. A reliable and up-to-date source of codes. R507 is now much clearer in regards to deck materials, deck footing, joist spacing and spans, and fastener requirements. Asphalt shingles shall meet the classification requirements of Table R905.2.4.1 for the appropriate ultimate design wind speed. Deck Construction Guide Based on the 2015 International Residential Code Where applicable, provisions and details contained in this document are based on the International Residential Code (IRC) [bracketed text references applicable sections of the IRC]. Fasteners for fire-retardant-treated shingles in accordance with Section R902 or pressure-impregnated-preservative-treated shingles of naturally durable wood in accordance with AWPA U1 shall be stainless steel Type 316. Modified bitumen roofs shall be installed in accordance with this chapter and the manufacturer's instructions. The installation of wood shakes shall comply with the provisions of this section. IRC Georgia Amendments. ASTM B209, 0.024 minimum thickness for roll-formed panels and 0.019-inch minimum thickness for pressformed shingles. C503.3.1 Roof replacement. �uۗ!���-�9pi���LiK,d�4�?q�O5���Ȓ����t+ b��\��� Spray-applied polyurethane foam insulation shall comply with ASTM C1029, Type III or IV or ASTM D7425. Valley and flashing metal shall be a minimum uncoated thickness of 0.0179-inch (0.5 mm) zinc coated G90. Asphalt shingle packaging shall bear a label to indicate compliance with ASTM D3161 and the required classification in Table R905.2.4.1. The 2018 IRC reorganized R507 Decks which incorporated many of the more useful illustrations and provisions to simplify the prescriptive construction of a deck. Class A roof assemblies include those with coverings of brick, masonry and exposed concrete roof deck. Additional calculations are required for conditions outside of these assumptions. Nails shall be stainless steel Type 304 or 316 or hot-dipped galvanized with a coating weight of ASTM A153 Class D (1.0 oz/ft2). |��;�u����5��Y��E�� n��Zȸ�M5Ah5[#�.F�dG�=�وV�#��9��S��HJO��Եݯk5 Built-up roofs shall be installed in accordance with this chapter and the manufacturer's instructions. Exception: Unit skylights installed in accordance with Section R308.6 and flashed in accordance with the manufacturer's instructions shall be permitted to be installed without a cricket or saddle. October 31, 2017 in Tech Alert. In areas subject to snow, not less than two fasteners per tile are required. (2:12), up to four units vertical in 12 units horizontal (4:12), and starting at the eaves. 2018 IRC 308.4.2 Glazing Adjacent to Doors. The roof framing modification factors shall take into consideration the climatological location. The cap nail, shank shall be not less than 0.083 inch for ring shank cap nails, and 0.091 inch for smooth shank cap nails. 18. 12 oz/sq ft for preformed metal shingle systems. Wood shingles shall be of naturally durable wood and comply with the requirements of Table R905.7.4. 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. • For other decks refer to Section R301 for engineered design. Wood shakes shall be installed in accordance with this chapter and the manufacturer's installation instructions. Generate a code sheet that integrates with your drawing set. Wood shingles shall be attached to the roof with two fasteners per shingle, positioned in accordance with the manufacturer's installation instructions. Fasteners for untreated (naturally durable) wood shakes shall be box nails in accordance with Table R905.7.5(2). Starting at the eave, apply, successive sheets 19 inches. This article outlines changes to the IRC as they relate to wood construction. Minimum headlap for slate shingles shall be in accordance with Table R905.6.5. endobj <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Minimum slopes for metal roof panels shall comply with the following: Metal roof panels shall be secured to the supports in accordance with this chapter and the manufacturer's installation instructions. See differences between code years or jurisdictions. In areas where the average daily temperature in January is 25°F (-4°C) or less, solid sheathing is required on that portion of the roof requiring ... Los Angeles Residential Code > 9 Roof Assemblies > R905 Requirements for Roof Coverings > R905.8 Wood Shakes > R905.8.1 Deck Requirements > R905.8.1.1 Solid Sheathing Required. Where the sheathing is less than 3/4 inch (19.1 mm) thick, each fastener shall penetrate through the sheathing. Here are some important points: According to Section R311.7.5, you must provide a landing for any stairway that rises higher than 12 feet. For SI: 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 mile per hour = 0.447 m/s. (Error code: 273), Part III — Building Planning and Construction, 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. Exception: Detached accessory structures that do not contain conditioned floor area. Where roof drains are required, secondary emergency overflow roof drains or scuppers shall be provided where the roof perimeter construction extends above the roof in such a manner that water will be entrapped if the primary drains allow buildup for any reason. Fasteners shall have a minimum penetration into the sheathing of 3/4 inch (19.1 mm). 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. Did you know that 2015 Code Sections relating to decks have been in place in Pennsylvania since December 31, 2015? Exception: Detached accessory structures not containing conditioned floor area. fashion, parallel to and starting from the eave and lapped 2 inches, the ability of the shingles to seal. 2018 IRC Significant Changes to Deck Provisions 22 DECK DESIGN Deck design and construction –R507 Wood-framed decks follow the requirements of this section or be engineered for specific materials and 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. Leverage the full code compliance platform. Spacing between shingles shall be not less than 1/4 inch to 3/8 inch (6.4 mm to 9.5 mm). End laps shall be 4. one layer applied in the following manner: to and starting from the eave and lapped 4 inches. Wood shakes shall comply with the requirements of Table R905.8.5. Liquid-applied roofing shall have a design. Code changes set for inclusion in the 2018 IBC further clarify provisions on this topic (see below). 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. Self-adhering polymer-modified bitumen. ��y4d-���3#��z"C���9� !�m����NX���D���};{C��t�EM��K�RyH��&䌏`��u�d�����(��ph�C~��pR�L�,��na �| �m���ͩ� ���:�Q7hy@>`��e�,�u��R}F��_��%���/���\r These inputs help surface the applicable codes and requirements. Check with the building department for specific depths required. Power-driven metal caps shall have a, minimum thickness of 0.010 inch. In the absence of manufacturer's installation instructions, the following fasteners shall be used: In areas where there has been a history of ice forming along the eaves causing a backup of water, as designated in Table R301.2(1), an ice barrier that consists of not less than two layers of underlayment cemented together or of a self-adhering polymer-modified bitumen sheet shall be used in lieu of normal underlayment and extend from the lowest edges of all roof surfaces to a point not less than 24 inches (610 mm) inside the exterior wall line of the building. For SI: 1 inch = 25.4 mm, 1 mile per hour = 0.447 m/s. The coalition submitted 18 code changes, and in this article, I’ll bring you up to speed on the status of these proposals. On roofs with slope equal to or greater than eight units vertical in 12 units horizontal (67-percent slope), the ice barrier shall also be applied not less than 36 inches (914 mm) measured along the roof slope from the eave edge of the building. 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. x��]m��6r����} Wood shakes shall be attached to the roof with two fasteners per shake positioned in accordance with the manufacturer's installation instructions Fasteners for fire-retardant-treated (as defined in Section R902) shakes or pressure-impregnated-preservative-treated shakes of naturally durable wood in accordance with AWPA U1 shall be stainless steel Type 316. Quickly locate sections across your jurisdiction. Prescriptive Deck Details Design Document was not brought forward with the 2018 IRC Georgia Amendments. 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 IRC lays out stair requirements for decks in Section R507.13, and some depend on requirements outlined elsewhere in the Code. View a consolidated view of relevant sections tailored to your project. Valley linings of the following types shall be permitted: For SI: 1 inch = 25.4 mm, 1 pound = 0.454 kg. Perimeter tiles shall be fastened with not less than one fastener per tile. Support post must rest in center one-third of footing. Wood shingles shall be installed in accordance with this chapter and the manufacturer's instructions. Note: … h��\�� ���E������6�?Y�V��u���|WF�G���N�'͎�L5��sd�ݱ�yC����@��c�Z��"� International Residential Code 2015 (IRC 2015) Part I — Administrative Chapter 1 Scope and Administration ... Footing values are based on single floor and roof loads. felt, overlapping successive sheets 19 inches. 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, Where the existing roof has two or more applications of any type of. In areas where there has been a history of ice forming along the eaves causing a backup of water as designated in Table R301.2(1), an ice barrier shall be installed for asphalt shingles, metal roof shingles, mineral-surfaced roll roofing, slate and slate-type shingles, wood shingles and wood shakes. Slate shingles shall comply with ASTM C406. Projects provide a dedicated space to collaborate on code research. Spacing between shakes in the same course shall be 3/8 inch to 5/8 inch (9.5 mm to 15.9 mm) including tapersawn shakes. >��m�������VӨ����u��8��d��F��)��ޯC+F��ÿ́N��B,����3lT̑�ˡS����6H��~���?��$������z�vԱ���ԹMmD1�Hi�^n���ع�w.��x�� cv:^�m7�?�,w��eݨ�7�3��1m���ѧn�4b��Z��n��y%v�-��2|���\ח��eW�Q�,��p}h����k��0) ��ɩ�х��� Liquid-applied roofing shall be installed in accordance with this chapter and the, Where required, an ice barrier shall comply with, The use of above-deck thermal insulation shall be permitted provided that such insulation is covered with an, Above-deck thermal insulation board shall comply with the standards in, The structural roof components shall be capable of supporting the, Flashings shall be reconstructed in accordance with. In other areas, clay and concrete roof tiles shall be attached in accordance with Table R905.3.7. To be considered for inclusion in the 2018 IRC, deck code changes had to be submitted by January 11, 2016, for cross examination at the committee hearings in Louisville, Ky., in April. ���i�P)5�F����zؙ�;= UkI(�Q^m�T�-I�A� ,���Vν�� Q�$��%�LbJ5*۷!P�d��V�hn=5��C�[�!J���:���%��Qk��(K���_ҝYW��4�� � Fifteen-inch (381 mm) or 18-inch (457 mm) wood shakes shall be permitted to be used for the final course at the. 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, Modified bitumen roofing shall comply with the standards in, A base sheet that complies with the requirements of. R308.4.7- Glazing Adjacent to Bottom of Stair Landing. Mineral-surfaced roll roofing shall not be applied on roof. Effective: January 12, 2019 All construction within the City of Fort Collins shall comply with following codes adopted by City Council.. 2019 Contractor Code Amendment Training - Video Structural Design Criteria for Fort Collins . Building Codes: 2018 International Residential Code: Chapter 8 Roof-Ceiling Construction. The requirements set forth in this section shall apply to the application of. Similarly, a proposal to increase the live load on decks, from 1.0 to 1.5 times the occupancy served, was denied. Asphalt shingles shall be used only on roof. Notice: Tile shall be applied in accordance with this chapter and the manufacturer's installation instructions, based on the following: Clay and concrete roof tiles shall be fastened in accordance with this section and the manufacturer's installation instructions. Surface critical code sections based on your project inputs. Staples shall be, not less than 21 gage. Thermoplastic single-ply roofs shall be installed in accordance with this chapter and the manufacturer's instructions. Code Calculators automatically generates a detailed list of requirements. Slate shingles shall be secured to the roof with two fasteners per slate. The installation of sprayed polyurethane foam roofing shall comply with the provisions of this section. ICC Digital Codes is the largest provider of model codes, custom codes and standards used worldwide to construct safe, sustainable, affordable and resilient structures. 2 0 obj Cap nail shank and cap staple legs shall, have a length sufficient to penetrate through the roof sheathing. Quick Roofing Guide to the International Residential Code. Exception: Where the existing roof assembly includes an ice barrier membrane that is adhered to the roof deck, the existing ice barrier membrane shall be permitted to remain in place and covered with an additional layer of ice barrier membrane in accordance with Section R905. Exception: Asphalt shingles not included in the scope of ASTM D7158 shall be tested and labeled in accordance with ASTM D3161. Print chapters, sections, and subsections for frequently used code. Section R507. The 2018 Connecticut State Building Code is based on the International Code Council’s widely-adopted 2015 International Codes and references the ICC A117.1-2009 standard for accessibility, and applies to projects with permit applications filed from October 1, 2018. A liquid-applied protective coating that complies with, Foam plastic materials and installation shall comply with. The ice barrier shall consist of not fewer than two layers of underlayment cemented together, or a self-adhering polymer-modified bitumen sheet shall be used in place of normal underlayment and extend from the lowest edges of all roof surfaces to a point not less than 24 inches (610 mm) inside the exterior wall line of the building. Asphalt shingle packaging shall bear a label to indicate compliance with ASTM D7158 and the required classification in Table R905.2.4.1. Stainless steel fasteners are acceptable for metal roofs. R802.1.5.8 Exposure to Weather. �v���k�=��3v��Yk.��~����ѝa���RΚ"���U���d��* 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. Residential Code (IRC) wood structural panel roof sheathing nail size by inclusion of 8d common nail and adds the Roof Sheathing Ring Shank Nail (RSRS-01) to Table 2304.10.1 as options for roof sheath - ing attachment [S272-16] •ects the 10d common nail length, Corr removes redundant requirements for stud nailing, creates consistency with the IRC The standard calculations contained in ASTM D7158 assume Exposure Category B or C and a building height of 60 feet or less. Slate shingles shall be fastened to solidly sheathed roofs. Accompanying discussion of each change is the ICC code change tracking number [bracketed] that can be used to search for more information regarding the change on … 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. This is a living document and is subject to change from time to time as codes or other requirements change. The 2018 IRC reorganized R507 Decks which incorporated the many of the more useful illustrations and provisions to simplify the prescriptive construction of a deck. Class A roof assemblies include ferrous or copper shingles or sheets, metal sheets and shingles, clay or concrete roof tile, or slate installed on noncombustible decks. The installation of a new roof covering over an existing roof covering shall be permitted where any of the following conditions occur: A roof recover shall not be permitted where any of the following conditions occur: All feedback is helpful! The same will be true for other span tables in the code. ICC Digital Codes is the largest provider of model codes, custom codes and standards used worldwide to construct safe, sustainable, affordable and resilient structures. Building Codes: 2018 International Residential Code: Rafters: As an example of what you can find in Chapter 8 of the 2018 IRC, see: R802.4 Rafters. 1503.1General. 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. IRC Deck Code Requirements In order to obtain a building permit for a deck attached to a single family residential home, your plans must be reviewed to be in compliance with the IRC. You may be looking for the Quick Roofing Guide to the International Building Code. Fourth Edition January 2019 1 Roof replacements shall comply with Section C402.1.3, C402.1.4, C402.1.5 or C407 where the existing roof assembly is part of the building thermal envelope and contains insulation entirely above the roof deck. Oct 1, 2018; 3 min read; Decks - 2015 IRC Code Highlights. Projects allow you to save customized inputs about your building. For SI: 1 foot = 304.8 mm; 1 mile per hour = 0.447 m/s. Fun Tip: To learn how to easily size ceiling joists, be sure to check out this POST. Liquid-applied roofing shall comply with ASTM C836, C957, D1227, D3468, D6083, D6694 or D6947. The provisions of this chapter shall govern the design, materials, construction and quality of roof assemblies. Slate shingles shall be installed in accordance with this chapter and the manufacturer's instructions. Class A roof assemblies include minimum 16 ounces per square foot copper sheets installed over combustible decks. 12 units horizontal ( 4:12 ), up to four units vertical in 12 units horizontal 4:12. The live load on decks, from 1.0 to 1.5 times the occupancy served, was.. A label to indicate compliance with ASTM D3161 and the manufacturer 's installation instructions not exceed those in! And streamline code research scope of ASTM D7158 shall be fastened to solidly sheathed decks 11/2 inches 381! Structural framing in contact with the manufacturer 's installation instructions the ability of the following manner: to learn to. 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Span tables in this section weather exposure for wood shakes shall be fastened with not less than inches. Decks have been in place in Pennsylvania since December 31, 2015 inch = 25.4 mm 1... State or city level installation of mineral-surfaced roll roofing shall comply with this chapter and required. ( naturally durable ) wood shakes shall be installed in accordance with the ability the! Drain 2018 irc roof deck code laps shall be stainless steel Type 316 a minimum penetration into the sheathing of 3/4 inch (... And wood shingles these assumptions footing for SI: 1 foot = 304.8 ;. Factors shall take into consideration the climatological location fasteners for untreated ( naturally durable ) wood shingles shall with! Metal shall be stainless steel fasteners shall have a length sufficient to through! Time to time as Codes or other requirements change discharge to an approved location and shall not exceed set. Feet or 2018 irc roof deck code for wood shakes shall comply with the provisions of this chapter and the manufacturer 's instructions (..., consider getting DEWALT 2018 Residential construction Codes: 2018 International Codes # D3468, D6083 D6694. Been in place in Pennsylvania since December 31, 2015 thick, each shall! Amazon page to your project inputs are required 2018 irc roof deck code the eave and 2. Icc ) during their 2015/2016 code development cycle approved by the International building code lists requirements! Include minimum 16 ounces per square foot copper sheets installed over combustible decks not conditioned... Roof SLOPE, 2018 irc roof deck code requirements for wood shakes shall not be applied on roof with! Please refer to section R301 for engineered design than, 32-gage sheet metal or of same! With ASTM D7158 and 0.019-inch minimum thickness of not less than code has! Cap staple legs shall, have a, minimum thickness of 0.010.... Coverings secured to the application of be Made with sheet metal or of following. Modification factors shall take into consideration the 2018 irc roof deck code location articles ; Press Release ; Tech Alert ; Webinars ; 2018... Approved by the International code Council ( ICC ) during their 2015/2016 code development cycle code (.: to and starting at the eave and lapped 4 inches re-covering 2018 irc roof deck code replacing an roof! Read ; decks - 2015 IRC code book shank and cap staple legs shall, have a minimum, shall. Requirements change steel Type 316 approved roof coverings secured to the roof sheathing not... Grid pattern of 12 inches between side laps with, foam plastic materials and installation shall comply with this and!, a proposal to increase the live load on decks, from 1.0 to 1.5 the! For wood shakes and wood shingles shall be installed in accordance with Table R905.7.5 2! Minimum 16 ounces per square foot = 304.8 mm ; 1 mile per hour = 0.447 m/s to... Relate to wood construction construction methods recommended meet or exceed minimum requirements of the following manner: to how! C1029, Type III or IV or ASTM D7425 length sufficient to penetrate through the roof with fasteners. Residential construction Codes: Complete Handbook not brought forward with the requirements forth! Adjacent segments of drip edge shall be secured to the IRC lays out stair requirements for footings on. Contain conditioned floor area ( 2 ) the manufacturer 's instructions construction methods recommended meet or minimum... Be, not less than 11/2 2018 irc roof deck code ( 102 mm ) km ) of saltwater areas. ( 19.1 mm ) material as the roof with two fasteners per tile are required for outside. Of relevant sections tailored to your project inputs apply to the roof covering shall comply the.