Steel roof deck panels guide specification 05 31 23 3 a. Vulcraft roof decks are designed in accordance with the ansi steel deck institute. Steel roof deck shall be united steel deck b, f, n, j. Design of structural decking system for building ii dept. Roof deck steel roof deck is the predominant structural component used in virtually all flat roofs. A vapor barrier is required in all composite cfr applications to avoid condensation.
The steel deck is astm a653 ss grade 33 deck with f u 45 ksi. The availability of 33 ksi deck should be confirmed with specific manufacturers. Some sdi members manufacture deck in this yield strength. Technical manual for the design and construction of roofs.
Z121 12 diameter roof drain low silhouette dome z111 12 diameter roof drain for metal decks z122 12 diameter deck receptor drain z125 8 diameter roof drain low silhouette dome z150 14 prom deck drain. For more information regarding canam steel deck, please refer to the steel deck or contact our experts by phone at 18664668769 or online. Roof deck is fabricated in accordance with steel deck institute sdi specifications and tolerances. Compared to other types of steel roof deck, type a has the lowest strength to weight ratio. For the opportunity to receive professional development hours, click here to purchase the 10 question multiplechoice online quiz that coincides with the webinar.
Steel deck is a cold formed corrugated steel sheet supported by steel joists or beams. Asc steel deck structural steel roof and floor deck. We suggest you read the entire manual before starting assembly. Steel roof deck designation structural engineering general. Refer to the raincarrying table in this booklet for the maximum allowable panel length per slope that will provide adequate drainage. Missouri university of science and technology scholars mine.
Download pdf metal roof design for cold climates published 102019. This standard details manual, aka the blue book, is the right tool to have at your fingertips. Deck selection deck selection per vulcraft steel roof and floor deck manual roof deck selection fire rating. Concrete roof decks include decks that are castinplace or precast, and structural or nonstructural in nature. Steel deck institute diaphragm design manual second. The first edition, rddm, of the sdi roof deck design manual continues the efforts of the steel deck institute to provide uniform industry standards for the engineering, design, manufacture and field usage of steel decks. Steel deck institute sdi cosp 2014 code of standard practice. He received his bachelors and masters degrees from the. This manual is completely revised, expanded and updated from the 2000 sdi roof deck construction handbook, rdch1.
Metal roofing installation guide mightyrib pbr rpanel regardless of whether your roofing project is a new installation or a re roof, and whether your building is residential, commercial or agricultural, our metal roofing panels and paint. The steel deck institute sdi has developed new design manuals to assist in the use of their consensus floor and roof deck standards. Coldformed steel components of the steel deck system other than the steel deck, which may include, but are not limited to. Roof deck limit states and design example floor deck limit states and current design methodology composite deck design examples shortcuts for multiple loads form deck and steel fibers. The diaphragm should be designed for a diaphragm shear of 1200 plf. Rogers is an associate professor of structural engineering at mcgill university, montreal canada. Access our monthly webinar series for free through the webinars on demand series below. The deck is a structural panel that spans over roof joist or purlins to provide a flat surface on which to apply the weatherproof roofing. Rogers is an associate professor of structural engineering at.
Sdi manufacturers can furnish fire ratings, load test results, and other perform ance test reports for their own products. He received his bachelors and masters degrees from the university of waterloo in 1992 and 1995, respectively, and completed his ph. Our asc steel deck business unit is a leading manufacturer of structural steel roof and floor deck. It includes information for the design of steel deck diaphragms for roof and floor decks. Selfdrilling fasteners without a washer are utilized. Each catalog can be viewed online, downloaded or ordered where you will receive a hard copy in a few days.
Where allowable shear values exceed 350 plf, foundation sill plates and all framing members receiving 5. Roof deck certification program the steel deck institute offers deck manufacturers both. Mezzanines canopies and overhangs are available to enhance the exterior appearance of your building. The comprehensive technical library for logix insulated. The tables in appendix a are for composite deck and composite deck slabs with the yield strength of the deck equal to 33 ksi. When you install any antenna, you want the maximum performance and these. Asc steel deck conducts extensive test and engineering. Modify modify calculation method and unit of measurement.
The first edition of the sdi steel deck on coldformed steel design manual points out those differences and provides the design guidance that is necessary to enable steel deck to be properly used in this application, including 7 design examples. Introduction introduction intro 5 technical manual v8. Cutting openings through the deck less than 25 square feet in area, and all skew cutting, shall be performed in the field. Metal roofing systems performance guide specification january, 2012 this guide specification is intended for use on projects where the structural standing seam roof system sssrs is supplied as an item separate from the buildings structural system. Read the entire manual carefully to become familia r with the roof curb installation procedures.
The sji and its committees have made a concerted effort to present accurate, reliable, and useful information on the design of steel joists and joist girders. Steel deck institute design manuals for floor and roof deck. Grand rib 3 style metal roofing can be separated from. Enter your information below and subscribe to our newsletter. Download cdn engineering manual pdf download usa engineering manual 60ksi pdf. Roof pitch the metal roofing panels shown in this manual require a minimum slope of 212 per foot to ensure proper drainage. Vulcraft, a leader in the steel joist and joist girder industry offers a complete range of steel decking at the five strategically located deck manufacturing facilities. Roofing specifications for steel deck installations often require a fire barrier as the component applied above the metal to help control and limit the amount of fuel contributed to a fire beneath the roof. Vulcraft provides a number of resources to help you efficiently and successfully specify steel joists and deck. Vulcraft manufactures many different types of deck, including roof deck, floor deck, composite floor deck and cellular deck. Does anybody out there have any practical guides for determining whether an expansion joint is necessaryrequired for a bar joist and steel deck roof. Therefore, it is important that the roofing industry fully understand not only the membrane and fastener performance limits, but also acknowledge the limitations of the underlying structural deck. Steel deck institute the steel deck institute was formed to.
Tables found in section 5 of the floor deck design manual that are not included. Over this time, asc steel deck has undergone a few ownership changes and operated. Asc steel deck business unit is a leading manufacturer of structural steel roof and floor deck. If the roof curb will be mounted on a new building, it can be assembled at any convenient location and installed as soon as the roof support members are in place. More than just a roof, a steel roof deck is the basis upon. Roof deck certification program the steel deck institute offers deck manufacturers both members and nonmembers certification of product design.
Specification drainage engineering guide roof drains. A full line of deck accessories, such as end closure and pour stop, is also available from vulcraft. Flexible construction lends itself to the following roof system design considerations. Steel roof deck designation baretired structural 16 mar 14. Keep up on our always evolving product features and technology. Expansion joints in steel roof deck structural engineering. The service life of metal roofing is typically extremely long however there are instances where changes in roof mounted equipment or roof damage may result in the need for roof repairs. Material and design steel roof deck shall be united steel deck b, f, n, j, h or ls. Actual steel thickness to be at least 95% of design thickness. It was developed to provide a structurally efficient product for use in roof and floor systems.
Only the roofers tools and equipment should be allowed on the deck during roof application. For longer slopes and lower roof pitches, contact fabral for other suitable profiles. Paper hacked selffurring expanded metal lath with icbo approval. Type a steel roof deck is rarely used for new construction projects. This manual has evolved from the first edition of the steel deck diaphragm design. Canopies and eaverake extensions offer a great aesthetic. The use of underlayment between the shingles and metal roof panels is a standard practice. Performance guide specifications for metal roofing systems. Roofdek manual structural roof decking and trays construction. Us steel technical report on steel framed parking structures 1971 57 pages, 5. Steel decking is used in many applications, but is particularly well suited to roofing and flooring. It is used to support concrete or insulating membrane of a roof. Design examples for steel deck diaphragm calculator web app.
Roof deck historically, published diaphragm design tables for roof deck. Evolution of company asc steel deck has provided structural steel roof and floor deck throughout the western united states since the 1970s. The entity that purchases the steel deck from the seller. Profile of coldformed steel in building construction. Roof deck not intended to be watertight in any circumstance. Effective use of the new sdi roof deck design manual. With the majority of uplift testing being conducted over steel decks, it is important to understand how they are rated and which design properties are important. Steel deck institute sdi cosp 2014 code of standard. The deck is accurately roll formed in varying configurations on the most modern highspeed roll forming equipment available. Wide deck flange roof drain z108 15 diameter deck receptor drain. Miscellaneous steel for stairs, handrails, or slab design is not offered by nucor. Instead, type a steel roof decks are often used in repair and re roof projects. For use when metal deck is used as a leave in place form.
This is the english edition of the technical manual for the design and construction of roofs of stainless steel sheet published by japan stainless steel association in 1985 to promote the use of stainless steel sheet roofing in japan, with a commentary on welding processes in use in japan. As a genera l rule, the curb should be placed directly on the roof support members. This support is usually a beam which is secured under the rafters at a point half way between the ridge and the wallplate. Part of the civil and environmental engineering commons. Technical manual for the design and construction of roofs of. Tata steel offers the most comprehensive range of structural roof decking all under one uk manufacturers roof. Steel deck institute the steel deck institute was formed. Steel deck assemblies are divided into two categories.
Deck types 6 roof deck permanent structural member no concrete topping. Digital pdf steel deck on coldformed steel framing design manual no. Diaphragm design information for vulcraft roof and floor decks is based on the steel deck institute diaphragm design manual, third edition ddm03 in accordance with the 2015 ibc. Roof decks associated with flexible construction are most commonly steel deck, plywood and oriented strandboard, and cementitous wood fiber panels. The finished surface of the deck should be smooth, level, and free of moisture or. Roof structures roofs section1 module 3 sheet 12section double roofs a double roof is a roof whose rafters are of such a length that they require an intermediate support. Steel roof deck guide specifications asc steel deck.
Metal roof deck to be asc steel deck select appropriate profiles and gauges. Although this roof deck category includes numerous variations discussed later, many of the precautions involved with roofing over them are similar. Our structural steel products have been installed on high profile projects such as the golden 1 center, levis stadium, salesforce tower, and apples new headquarters, just to name a few. Impact of diaphragm behavior on the seismic design of lowrise steel buildings colin a. Design the diaphragm for wind loading using allowable stress design method. Steel deck institute sdi ansisdi c 2017 standard for composite steel floor deck slabs ansisdi nc 2017 standard for noncomposite steel floor deck ansisdi qaqc 2017 standard for quality control and quality assurance for installation of steel deck ansisdi rd 2017 standard for steel roof deck. Aisc weight the weight of structural steel as defined by the aisc. Before roofing application is started, the deck should be free of all dust, dirt, debris and foreign material. Structural steel roof and floor deck asc steel deck. Cutting openings through the deck less than 25 square feet in area, and all skew cutting, shall be performed in the. Intuition tells me that something may be warranted here, but im not sure.
Design of steel deck for concentrated and nonuniform loading. The first edition of the sdi roof deck design manual rddm includes design examples and load tables for generic profiles download the first edition of our steel deck on cold formed steel framing design manual sdcfsfdm or visit our order page to purchase a printed and bound copy. Give our friendly sales staff a call if you have any questions. Purlins, girts and roof deck the substructure to which the metal panels are fastened must be properly spaced and sufficiently thick to provide a roof or wall. When roof deck diaphragms are used to transmit lateral loads from seismic events to vertical bracing elements, more robust diaphragm designs may be be required. The result is that the roof deck is also being asked to do more. Roof deck design standard manual 12 available at roof deck.