MBCI: Double-Lok®

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MBCI’s wide array of products is the most extensive in the industry. We offer single skin panels, insulated metal panels, retrofit solutions and much more.

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Double-Lok®

The Double-Lok® roof panel is a mechanically field-seamed, trapezoidal leg standing seam roof system. Double-Lok® panels are available in 12-inch, 18-inch and 24-inch widths. Double-Lok® requires a minimum slope of ¼:12. Double-Lok® panels are ideal for industrial, commercial and architectural applications.

	Double-Lok® Product Information
	Coverage Width – 12”, 18”, 24” Minimum Slope – ¼:12 Panel Attachment – Concealed Fastening System; Low, High, Fix and Sliding and a 2” stand off clip Gauge – 22 and 24 Finishes – Smooth (standard); Embossed (optional) Coatings – Galvalume Plus®, Signature® 200, Signature® 300, Signature® 300 Metallic

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Panel Profiles

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Additional Information


CAD Details	Product Catalog	Installation Manual	DL over R Manual	Color Charts

Warranties	Photo Gallery	Information Request	CSI Specifications

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Engineering Information

Panel Section Properties: 12" , 18" , 24"

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Code Compliance

ASTM E 1592 - Negative Uplift Testing

12"	18"	24"
12" Double-Lok® 22 Ga. - load table	18" Double-Lok® 22 Ga. - load table	24" Double-Lok® 22 Ga. - load table
12" Double-Lok® 24 Ga. - load table	18" Double-Lok® 22 Ga. - load table with S-5! Windclamp	24" Double-Lok® 22 Ga. - load table with S-5! Windclamp
	18" Double-Lok® 24 Ga. - load table	24" Double-Lok® 24 Ga. - load table
	18" Double-Lok® 24 Ga. - load table with S-5! Windclamp	24" Double-Lok® 24 Ga. - load table with S-5! Windclamp
		24" Double-Lok® 22 Ga. - CORPS of Engineers Chart
		24" Double-Lok® 24 Ga. - CORPS of Engineers Chart

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ASTM E 1646 and 1680 - Air & Water Testing

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UL 580 Construction Numbers

	Over Metal Deck w/ Rigid Insulation
	Construction No. 308A	24 gauge panels with articulating clips. Plywood/OSB, rigid insulation and gypsum board are optional.
	Construction No. 539	24 gauge panels with floating clips. Plywood and rigid insulation are optional.
	Over Purlins & Joists
	Construction No. 180C	24 gauge panels with articulating clips. Light transmitting panels are not available. Rigid insulation is available and a 29 gauge liner is optional.
	Construction No. 287	24 gauge panels with articulating clips. Light transmitting panels are available.
	Construction No. 450	24 gauge panels with articulating clips. Special dome skylight is available.
	Construction No. 538	24 gauge panels with floating clips. Light transmitting panels are available.
	Construction No. 540	24 gauge panels with floating clips. Light transmitting panels are available. Rigid insulation is available and a 29 gauge liner panel is optional.

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UL 790 - External Fire

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UL 263 Internal Fire

Roof Assemblies

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UL 2218 - Impact Resistance

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FM 4471 - Approval Standard for Class 1 Panel Roofs

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Dade County Approvals

NOA# 06-0920.02

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Florida Approvals

	FL 11819.2		12", 18" and 24" DoubleLok 24 ga. over open framing
	Limits of Use Approved for use in HVHZ: No Approved for use outside HVHZ: Yes Impact Resistant: N/A Design Pressure: +N/A/-176.50 Other: 24" DoubleLok 24 ga. w/windclamp -176.50 PSF @ 1'-0" O.C. -53.75 PSF @ 5'-0" O.C. See attached PER for additional test pressures. The panel is a standing seam structural roof panel installed over open framing in accordance with the specified test pressuress. Limitations Non-HVHZ. Roof panels must be installed per manufacturer erection details.		Installation Instructions FL11819_R0_II_DoubleLok Manual.pdf Evaluation Reports FL11819_R0_AE_DoubleLok PER.pdf FL11819_R0_AE_Statement of Equivalence ASTM 1592.pdf

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