Assembly Usage Disclaimer

Roof Deck Constructions

See General Information for Roof Deck Constructions

Construction No. 197

February 02, 2007

Metal Deck Assemblies

Wind Uplift — Class 90

Fire not Investigated

    1. Metal Roof Deck Panels* — No. 24 MSG min thickness coated steel; 24 in max width, 2-11/16 in high at female rib. Panels continuous over two or more spans. End laps to occur over purlins with panels overlapped 3 in. Adjacent panels to be continuously seamed with an electric seamer with seaming operation to include roof deck fasteners (Item 2). A line of sealant may be used at panel end-laps and side joints.

    METAL SALES MANUFACTURING CORPORATION (View Classification) — "Seam Loc-24"

    2. Roof Deck Fasteners* (Panel clips) — Two part assembly consisting of a base and a tab. Base 5 in. wide, fabricated from No. 14 MSG thick coated steel. Tab fabricated from min No. 22 MSG thick coated steel. Height of clip to vary depending on insulation thickness or type and use of thermal spacer. Clips located at sides of roof deck panels.

    METAL SALES MANUFACTURING CORPORATION (View Classification) — "Seam Loc-24 Panel Clip"

    3. Fasteners (Screws) — Fasteners used for panel clip to purlin attachment to be No. 14 by 1-1/2 in. long self-drilling, self-tapping, hex-washer-head plated steel screws with a separate washer. Two screws per panel clip to be used. Fasteners used at the end lap section to be No. 12-14 by 1-1/4 in. long self-drilling, self-tapping, hex-head, plated steel screws with a separate 5/8 in. OD steel washer and a neoprene sealing washer. One screw located in each 1-1/2 in. flat area adjacent to panel ribs driven through panels to end lap back up plate. Four screws used in panel flat area spaced 4 in. OC driven through cinch strap and panels into back up plate. One screw driven through cinch strap at side of panel ribs into back up plate. A total of eight screws to be used.
    4. Insulation — Any compressible blanket type, 4 in. max thickness before compression.
    5. Thermal Spacer — (Optional) Used over purlins between panel clips; 1 in. thick, 3 in. wide, cut to fit between panel clips. Fabricated from beaded plastic.
    5A. Foamed Plastic (Rigid Insulation) — Not Shown — Optional — Not used when thermal spacer (Item 5) is used. Maximum 1 in. thick. Supplied in 4 ft. wide sheets. Butt joints to occur over purlins.
    6. Purlins — No. 16 MSG min thickness. (50,000 psi minimum yield strength). Spacing 60 in. OC.
    7. End-Lap Back-Up Plate — Length 20 in. max, with ends formed to the general profile of the panel side ribs. Width to be 9-1/4 in. max. A 14 in. long max by 1 in. wide return formed along one edge of the plate. Fabricated from No. 18 MSG thick coated steel.

    METAL SALES MANUFACTURING CORPORATION (View Classification) — "Seam-Loc 24 Compression Plate"

    7A. Cinch Strap * — (Optional) Used over the panels, to be 1 in. wide, formed of 0.089 in. thick aluminum to the general profile of the panel, with both ends formed to fit over the panel ribs.

    METAL SALES MANUFACTURING CORPORATION (View Classification) — "Seam-Loc Cinch Strap"

    8. Lateral Bracing — (Not Shown) — As required.

    Refer to General Information, Roof Deck Construction for items not evaluated.

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

Last Updated on 2007-02-02
TGKX.197 197 TGKX 997005001 CONSTRUCTION Active 20070202 20070202 997005001 997005001 997005001 997005001

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