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MBCI PRODUCTS

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.
 
     
Panel Selection Chart Standing Seam Roof Systems
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LokSeam®

LokSeam® is a snap-together standing seam roof system with a 1 3/4” tall vertical rib, for use on roofs with a minimum slope of 3:12.LokSeam® panels are available in 12-inch, 16-inch and 18-inch widths. LokSeam® panels can be installed over open framing or a solid substructure and are capable of transitioning from roof to fascia with the use of a rib cover. LokSeam® does not require a solid substructure for support.

LokSeam® Product Information
  • Coverage Width – 12”, 16”, 18”
  • Minimum Slope – 3:12
  • Panel Attachment – Concealed Fastening System, Standard and UL90 Clips
  • Gauge – 24 (standard); 22 (12”, 16”, 18”), 26 (12”) (optional) Finishes – Striated (standard); Embossed Striated (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 Color Charts        
CSI Specs        
Warranties Photo Gallery Information Request CSI Specifications        
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Engineering Information
  Panel Section Properties: 12" , 16" , 18"
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Code Compliance
  ASTM E 1592 - Negative Uplift Testing
12"   16"   18"
12" LokSeam® 22 Ga. - load table   16" LokSeam® 22 Ga. - load table   18" LokSeam® 22 Ga. - load table
12" LokSeam® 24 Ga. - load table   16" LokSeam® 24 Ga. - load table   18" LokSeam® 24 Ga. - load table
         
         
         
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ASTM E 283 and 331 - Air & Water Testing
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  UL 580 Construction Numbers
  Over Metal deck w/ Rigid Insulation
  Construction 448 Minimum 24 gauge panels, 18" maximum width. Rigid insulation, plywood or OSB and gypsom board are available. 22 gauge metal deck is required.
  Construction No. 303 Minimum 24 gauge panels, 18" maximum width. Rigid insulation, OSB and gypsum board are available. 22 gauge metal deck is required.
  Construction No. 342 Minimum 24 gauge panels, 18" maximum width. "Loadmaster" mineral board and a metal deck are required.
  Construction No. 486 Minimum 24 gauge panels, 18" maximum width. "Loadmaster" mineral board and a metal deck are required.
  Construction No. 508A Minimum 24 gauge panels, 18" maximum width. 22 gauge metal deck and nailable insulation are required. Gypsum board is optional.
  Over Purlins & Joists
  Construction No. 254 Minimum 24 gauge panels, 18" maximum width. 16 gauge purlins spaced 48" on center for 24 gauge panels and 60" on center for 22 gauge panels.
  Construction No. 255 Minimum 24 gauge panels, 18" maximum width. 16 gauge purlins spaced 48" on center for all panel gauges.
  Construction No. 261 10" wide panels only. 0.032 aluminum or minimum 24 gauge steel. 16 gauge purlins spaced 36" on center for 0.036 aluminum, 48" on center for 24 gauge steel or 60" on center for 22 gauge steel.
  Construction No. 445 Minimum 24 gauge panels, 12" maximum width. 16 gauge purlins spaced 48" on center for 24 gauge panels and 60" on center for 22 gauge panels. 3" vinyl insulation is available.
  Construction No. 446 Minimum 24 gauge panels, 18" maximum width. 16 gauge purlins spaced 48" on center. 3" vinyl insulation is available.
  Construction No. 543 Minimum 24 gauge panels. 18" maximum width. 16 gauge purlins spaced 48" on center for 24 gauge panels (all widths) and 60" on center for 22 gauge panels (12" wide only). 3" vinyl insulation is available.
  Construction No. 544 Minimum 24 gauge panels, 18" maximum width. Rigid insulation, plywood of OSB, gypsum board and 29 gauge liner panel are available. 16 gauge purlins are spaced 48" on center.
  Over Wood Deck
  Construction No. 343 Minimum 24 gauge panels, 18" maximum width. 5/8" plywood decking required.
  Construction No. 414 Minimum 24 gauge panels, 18" maximum width. 5/8" Plywood decking required.
  Construction No. 436 Minimum 24 gauge panels, 18" maximum width, 5/8" plywood or OSB decking required.
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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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  Florida Approvals
  FL 11819.3 16" Lokseam 24 Ga. panel 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/-40.00
Other: -40.00 PSF @ 1'-0" O.C. . -30.00 PSF @ 4'-0" o.c. 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_Lokseam Manual.pdf

Evaluation Reports
FL11819_R0_AE_Lokseam PER.pdf
   
 
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