1.5 Type B Roof Deck

1.5″ Type B Roof Deck

Type B Roof Deck is 1.5″ deep. Also known as wide rib, this structural metal roof deck provides a support surface for various types of roofing materials. 1.5" B deck's wider rib profile allows for more insulation to be installed.

(410) 796-7968

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    Roof deck products act alone in transferring horizontal and vertical loads into the building frame. Roof Deck does not work compositely with other building materials.

    1.5 B Deck Profile

    1.5 B Deck Profile

    About O'Donnell Metal Deck:

    Why wait? Job site change orders, problems, damaged deck, or new jobs. Whether you need B decking or any other products for concrete or steel roof deck, you can count on O’Donnell Metal Deck. We are committed to providing the fastest and easiest service for metal decking. We offer fast same and next day delivery of our 1.5 B Deck to the East Coast — proudly supplying projects in Maryland, Washington DC, Virginia, West Virginia, Ohio, Tennessee, North Carolina, South Carolina, Delaware, New York, New Jersey, Pennsylvania & across the country.

    O'Donnell Metal Deck National Sales Territory Map

    Fast Metal Deck Shop Drawings:

    Our ability to provide fast steel deck approvals has made us one of the best metal deck supply and detailing companies in the United States. Our process begins with fast and direct communication with our customers and stakeholders to ensure maximum productivity and timeliness. The metal deck shop drawing process is as outlined below.

    Approval Drawings

    Our team gathers, reviews and interprets information from the contract bid documents.

    EOR Review

    Our steel deck layout is submitted to the design team for missing information or discrepancies to solve potential issues.

    BOM Fabrication

    Once approved by the engineer, our detailers submit their bills of material to be fabricated.

    Field Use Plans

    We'll issue easy to read structural steel erection plans for field use to save installation time.


    Learn More about Metal Deck Shop Drawings.

    Available Gauges:

    22 Gauge Icon

    20 Gauge Icon

    18 Gauge Icon

    16 Gauge Icon

    Available Finshes:

    G60 Deck Icon

    Galvanized G-60 zinc coated steel is the standard in the deck industry.

    G90 Deck Icon

    Galvanized G-90 is typically specified for exterior applications or project specific needs.

    Painted Deck Icon

    PTD or primer painted is an impermanent, provisional coating and is gray on top and bottom.

    Deck Options:

    Hanger Tabs:

    Vented Metal Deck

    Hanger tabs are designed for the support of ceilings and you should consult your engineer for individual allowable loads on single hanger tabs.

    1.5 B Acoustical Roof Deck:

    Type B Acoustical Deck

    1.5 B Roof Deck is available as acoustical decking. Acoustical B Deck provides sound reduction where the under side of the deck is exposed to the interior. Our acoustical B deck is made by perforating the flutes of a standard 1.5 B deck profile.

    1.5 B Cellular Deck:

    Type B Cellular Acoustical Deck

    Type B cellular deck is utilized in exposed ceiling areas where a flat bottom deck is desired for aesthetic purposes and can be combined with or without acoustical perforations in the flutes of the deck.


    SDI Certification Icon

    SDI Members:

    We only supply products certified by SDI members that meet the the strict standards for engineering, design, manufacturing and usage of steel decks.

    USA Domestic Steel Icon

    Made in America:

    Our products are made with US made steel. When mill certificates are required, we can provide you the material's physical and chemical properties. Contact Us for more information.

    UL Classified Product Icon

    UL Classified:

    Our products adhere to the UL standards for 1.5 B deck. Refer to the UL Fire Directory for further information:
    Type 1-1/2", 2" and 3" Roof Deck for use in Design No. P225.

    SDI Recommeneded Spans:

    Contact us for specific product submittals and load tables

    (410) 796-7968

    Recommended Maximum Spans for Construction and
    Maintenance Loads Standard
    Type Span
    Span Max. Recommended Spans
    Roof Deck Cantilever
    Ft.-In. Meters Ft.-In. Meters
    B DECK 22ga. 1 5'-6" 1.65 m 1'-11" .55 m
    22ga. 2 or more 6'-6" 1.75 m
    20ga. 1 6'-3" 1.90 m 2'-4" .70 m
    20ga. 2 or more 7'-5" 2.25 m
    18ga. 1 7'-6" 2.30 m 2'-10" .85 m
    18ga. 2 or more 8'-10" 2.70 m
    Construction and maintenance loads:

    SPANS are governed by a maximum stress of 26 ksi (180 MPa) and a maximum deflection of L/240 with a 200-pound (0.89 kN) concentrated load at midspan on a 1'-0" (300mm) wide section of deck. If the designer contemplates loads of greater magnitude, spans shall be decreased or the thickness of the steel deck increased as required. All loads shall be distributed by appropriate means to prevent damage to the completed assembly during construction.

    B Deck Attachment Pattern:

    1.5 In. Roof Deck Fastening Patterns

    Your project Engineer will determine your attachment requirements for your design loads, building code and project requirements. The following standard 1.5 B Deck attachment pattern has been provided as a minimum recommendation for the product specified. The attachments should be made to from deck to support, deck sidelap to deck sidelap and seck to perimeter supports.

    Gauges 16, 18, 20, 22
    Height 1.5"
    Comparable Names Type B, Wide Rib, WR, 1.5 B
    Width 36"
    Finish Prime Painted, Galvanized G-60, Galvanized G-90

    Metal Deck Guides: