Assembly Usage Disclaimer

Roof Deck Constructions

See General Information for Roof Deck Constructions

Construction No. 561

December 19, 2016

Uplift — Class 90

Fire Not Investigated

    1. Metal Roof Deck Panels* — No. 29 MSG min coated steel. Max panel width 36 in. Rib height max 3/4 in. Panels continuous over two or more spans. Panels to overlap 6 in. at endlaps and must occur adjacent to a support when plywood decking (Item 3) is not used. A bead of sealant may be used at panel endlaps and sidelaps.

    AMERICAN BUILDING COMPONENTS (View Classification) — "Perma-Clad"

    BURROW CONSTRUCTION INC (View Classification) — "Quadra Loc"

    CAROLINA CARPORTS INC (View Classification) — ""Carolina Ridge""

    CENTRAL STATES MFG INC (View Classification) — "Panel-Loc Plus"

    DAKOTA STEEL & TRIM INC (View Classification) — "Strong Rib" or "Pioneer Rib"

    LONG CREEK STEEL (View Classification) — "Pro Span"

    MBCI (View Classification) — "Perma-Clad"

    NCI BUILDING SYSTEMS L P (View Classification) — "Perma-Clad"

    PARAMOUNT METALS INC (View Classification) — "Smart Rib Plus"

    RAMCO BUILDER AND SUPPLY LLC (View Classification) — "Ram-Panel"

    WHIRLWIND STEEL BUILDINGS INC (View Classification) — "Sturdi-Span"

    2. Fasteners — (Screws) — For panel attachment to wood deck (Item 3), fasteners to be 1/4 in. -14x1-1/2 in. long Type AB or No. 14x1/1/2 in. long Type A when substructure is plywood decking (Item 3). When 2x4 lathing (Item 3A) is used, fasteners may be any of the following: 1/4 in. -14x1-1/2 in. long Type AB, No. 14x1-1/2 in. long Type AB, No. 14x1-1/2 in. long Type A or No. 10x1-1/2 in. long Woodgrip. Fasteners to be installed 24 in. OC along the length of the panel. Fastener spacing across the width of panel to 9 in. on center beginning 1-3/4 in. from the center line on one side of each major rib. Fastener spacing at panel ends to be in a 1-3/4 in. from the center line on one side of each major rib. Fastener spacing at panel ends to be in a 1-3/4, 5-1/2, 3-3/4, 5-1/2, 3-3/4, 5-1/2, 3-3/4, 5-1/2 in.
    2A. Fasteners — (Screws or Nails) — For attachment of plywood deck (Item 3) to joists (Item 5), fasteners to be min. No. 6x1-7/8 in. long bugle head screw or annular ring-shank nails. Spacing to be 6 in. OC at plywood edges and 12 in. OC at intermediate supports.
    2B. Fasteners — (Screws) — For attachment of 2x4 lathing (Item 3A) to joists (Item 5), fasteners to be min. No. 8x3 in. long bugle head screw, two screws per attachment point.
    3. Substructure — (Plywood) — Plywood decking to be a nom 5/8 in. thick, exposure sheathing span C-D, 40/20 plywood. All butt joints to be sealed against leakage by using tape and/or caulk or with one-part urethane sealant.
    3A. Substructure — (Lathing) — Lathing to be nominal 2x4 wood, n. 2 or better, spaced 24 in. on center max.
    4. Moisture Barrier — (Optional) (Not Shown) — Any suitable membrane to protect substructure (Item 3 or 3A).
    5. Joists — Joists spaced at 2 ft, 0 in. OC when plywood decking is used and 48 in. on center when 2x4 lathing (Item 3A) is used, may be one of the following:
      A. Nom 2 by 10 in. wood joists No. 2 or better.
      B. Nom 2 by 4 in. wood when used on a top cord of a wood truss, No. 2 or better.

    * Indicates such products shall bear the UL or cUL Certification Mark for jurisdictions employing the UL or cUL Certification (such as Canada), respectively.

    Refer to General Information, Roof Deck Construction, (Roofing Materials and Systems Directory) for Items not evaluated.

Last Updated on 2016-12-19
TGKX.561 561 TGKX 100515071 CONSTRUCTION Active 20161219 20161219 595691001 100515071 100574548 157261001 P893568 100585057 139289001 901683001 899160001 P1619395 160466001

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