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Panels

LokSeam®

product-lokseam

  • Description
  • Advantages & Attributes
  • LokSeam Properties
  • Allowable Uniform Loads

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.

Gauge
  • 24 gauge (standard)
  • 22 gauge (12″, 16″, 18″)
  • 26 gauge (12″ – optional)

 

Length
  • Maximum 50′ (standard), other lengths are available as special requests

 

Dimensions
  • 16″ wide and 2″ high (standard)
  • 12″ also available

 

Finish
  • Galvalume Plus®
  • Signature® 200
  • Signature® 300
  • Striated (standard)
  • Embossed Striated (optional)
Limitations
  • Max 4′-0″ Purlin Spacing for 24 & 22 Gauge Panels.
  • Solid substrate (ie. Plywood/OSB) for 26 Gauge Panels
  • Min. 3:12 Roof Slope

 

Fasteners
  • Concealed Fasteners (Exc: Exposed Fasteners @ Eave)
  • Concealed Panel clip allows for Expansion & Contraction

 

Usage
  • Snap together Roof Panel, no seaming machine rental
  • Weather tightness warranty available

Advantages

  1. Insures watertightness and easier erection
  2. Improves erection and enhances watertightness
  3. Minimizes oil canning
  4. Flexible and convenient erection
  5. Creates a trimless eave
  6. Increases weathertightness and improves appearance
  7. Minimizes air infiltration and water penetration and enhances acceptability among specifiers
  8. Better transition to hip, valleys, and roof openings
  9. High energy efficiency system
  10. Allows roof to expand and contract maximizing weathertightness
  11. Provides of varying insulation thickness
  12. 25 year finish warranty
  13. Reduces insurance costs
  14. Helps with oil canning

Attributes

  1. Factory applied mastic inside of female leg of panel is standard
  2. Swaged end laps
  3. Heavier gauges, striation and embossing (optional)
  4. Roof runs without end lap panels may be erected from either direction
  5. Roof to wall transition
  6. 80% less exposed fasteners than traditional side lap panels and all-fasteners are long life
  7. The side lap has been tested for air infiltration and water penetration under ASTM E283 and E331 methods
  8. Vertical Leg
  9. Insulated with thermal blocks
  10. High or low floating clips available
  11. High or low fixed clips available
  12. Panel available in Signature® 300 and Signature® 200 Colors
  13. UL® 90
  14. Panel has striations

LokSeam® Panel 12″ – Section Properties

  NEGATIVE BENDING POSITIVE BENDING
Panel Gauge FY (KSI) WEIGHT (PSF) Ixe (IN.4/FT.) Sxe (IN.3/FT.) Maxo (KIP-IN.) Ixe (IN.4/FT.) Sxe (IN.3/FT.) Maxo (KIP-IN.)
24 50 1.41 0.0472 0.0597 1.7888 0.0952 0.0682 2.0419
22 50 1.81 0.0625 0.0850 2.5446 0.1233 0.0909 2.7222
 
Properties Notes:
  1. All calculations for the properties of LokSeam® panels are calculated in accordance with the 2001 edition of the North AmericanSpecification for Design of Cold-Formed Steel Structural Members.
  2. Ixe is for deflection determination.
  3. Sxe is for bending.
  4. Maxo is allowable bending moment.
  5. All values are for one foot of panel width.

LokSeam® Panel 16″ – Section Properties

  NEGATIVE BENDING POSITIVE BENDING
Panel Gauge FY (KSI) WEIGHT (PSF) Ixe (IN.4/FT.) Sxe (IN.3/FT.) Maxo (KIP-IN.) Ixe (IN.4/FT.) Sxe (IN.3/FT.) Maxo (KIP-IN.)
24 50 1.34 0.0353 0.0452 1.3527 0.0758 0.0519 1.5563
22 50 1.71 0.0500 0.0665 1.9938 0.1052 0.0731 2.1906
Properties Notes:
  1. All calculations for the properties of LokSeam® panels are calculated in accordance with the 2001 edition of the North AmericanSpecification for Design of Cold-Formed Steel Structural Members.
  2. Ixe is for deflection determination.
  3. Sxe is for bending.
  4. Maxo is allowable bending moment.
  5. All values are for one foot of panel width.

LokSeam® Panel 18″ – Section Properties

  NEGATIVE BENDING POSITIVE BENDING
Panel Gauge FY (KSI) WEIGHT (PSF) Ixe (IN.4/FT.) Sxe (IN.3/FT.) Maxo (KIP-IN.) Ixe (IN.4/FT.) Sxe (IN.3/FT.) Maxo (KIP-IN.)
24 50 1.25 0.0321 0.0403 1.2066 0.0682 0.0465 1.3906
22 50 1.60 0.0446 0.0594 1.7795 0.0950 0.0655 1.9607
Properties Notes:
  1. All calculations for the properties of LokSeam® panels are calculated in accordance with the 2001 edition of the North AmericanSpecification for Design of Cold-Formed Steel Structural Members.
  2. Ixe is for deflection determination.
  3. Sxe is for bending.
  4. Maxo is allowable bending moment.
  5. All values are for one foot of panel width.

Allowable Uniform Loads In Pounds Per Square Foot – 12″ Panel

drawing_lokseam12

24 Gauge (Fy = 50 Ksi)
SPAN TYPE LOAD TYPE SPAN IN FEET
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SINGLE LIVE LOAD 200.0 151.3 111.1 85.1 67.2 54.5 45.0
2-SPAN LIVE LOAD 190.8 132.5 97.3 74.5 58.9 47.7 39.4
3-SPAN LIVE LOAD 200.0 165.5 121.7 93.2 73.6 59.6 49.3
4-SPAN LIVE LOAD 200.0 154.6 113.6 87.0 68.7 55.7 46.0
22 Gauge (Fy = 50 Ksi )
SPAN TYPE LOAD TYPE SPAN IN FEET
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SINGLE LIVE LOAD 200.0 200.0 148.1 113.4 89.6 72.6 60.0
2-SPAN LIVE LOAD 200.0 188.5 138.5 106.0 83.8 67.9 56.1
3-SPAN LIVE LOAD 200.0 200.0 173.1 132.5 104.7 84.8 70.1
4-SPAN LIVE LOAD 200.0 200.0 161.6 123.7 97.8 79.2 65.5
Allowable Uniform Loads Notes:
  1. Allowable loads are based on uniform span lengths and Fy = 50 ksi.
  2. LIVE LOAD is limited by bending, shear, combined shear and bending and web crippling.
  3. Allowable loads consider a maximum deflection ratio of L/180.
  4. The weight of the panel has not been deducted from the allowable loads.
  5. THE ABOVE LOADS ARE NOT FOR USE WHEN DESIGNING PANELS TO RESIST WIND UPLIFT.
  6. Please contact manufacturer or manufacturer’s website for most current allowable wind uplift loads.

The engineering data contained herein is for the expressed use of customers and design professionals. Along with this data, it is recommended that the design professional have a copy of the most current version of the North American Specification for the Design of Cold-Formed Steel Structural Members published by the American Iron and Steel Institute to facilitate design. This Specification contains the design criteria for cold-formed steel components. Along with the Specification, the designer should reference the most current building code applicable to the project jobsite in order to determine environmental loads. If further information or guidance regarding cold-formed design practices is desired, please contact the manufacturer. EFFECTIVE JANUARY, 2014 SUBJECT TO CHANGE WITHOUT NOTICE

  • LokSeam® is a registered trademark of the NCI Group, Inc.
  • Galvalume Plus® is a registered trademark of BIEC International, Inc.
  • Signature® is a registered trademark of the NCI Group, Inc.

Allowable Uniform Loads In Pounds Per Square Foot – 16″ Panel

drawing_lokseam16

24 Gauge (Fy = 50 Ksi)
SPAN TYPE LOAD TYPE SPAN IN FEET
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SINGLE LIVE LOAD 166.0 115.3 84.7 64.8 51.2 41.5 34.4
2-SPAN LIVE LOAD 144.3 100.2 73.6 56.4 44.5 36.1 29.8
3-SPAN LIVE LOAD 180.4 125.3 92.0 70.5 55.7 45.1 37.3
4-SPAN LIVE LOAD 168.4 116.9 85.9 65.8 52.0 42.1 34.8
> 22 Gauge (Fy = 50 Ksi )
SPAN TYPE LOAD TYPE SPAN IN FEET
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SINGLE LIVE LOAD 200.0 162.3 119.2 91.3 72.1 58.4 48.3
2-SPAN LIVE LOAD 200.0 147.7 108.5 83.1 65.6 53.2 43.9
3-SPAN LIVE LOAD 200.0 184.6 135.6 103.8 82.0 66.5 54.9
4-SPAN LIVE LOAD 200.0 172.4 126.6 97.0 76.6 62.1 51.3
Allowable Uniform Loads Notes:
  1. Allowable loads are based on uniform span lengths and Fy = 50 ksi.
  2. LIVE LOAD is limited by bending, shear, combined shear and bending and web crippling.
  3. Allowable loads consider a maximum deflection ratio of L/180.
  4. The weight of the panel has not been deducted from the allowable loads.
  5. THE ABOVE LOADS ARE NOT FOR USE WHEN DESIGNING PANELS TO RESIST WIND UPLIFT.
  6. Please contact manufacturer or manufacturer’s website for most current allowable wind uplift loads.

The engineering data contained herein is for the expressed use of customers and design professionals. Along with this data, it is recommended that the design professional have a copy of the most current version of the North American Specification for the Design of Cold-Formed Steel Structural Members published by the American Iron and Steel Institute to facilitate design. This Specification contains the design criteria for cold-formed steel components. Along with the Specification, the designer should reference the most current building code applicable to the project jobsite in order to determine environmental loads. If further information or guidance regarding cold-formed design practices is desired, please contact the manufacturer. EFFECTIVE JANUARY, 2014 SUBJECT TO CHANGE WITHOUT NOTICE

  • LokSeam® is a registered trademark of the NCI Group, Inc.
  • Galvalume Plus® is a registered trademark of BIEC International, Inc.
  • Signature® is a registered trademark of the NCI Group, Inc..

Allowable Uniform Loads In Pounds Per Square Foot – 18″ Panel

drawing_lokseam18

24 Gauge (Fy = 50 Ksi)
SPAN TYPE LOAD TYPE SPAN IN FEET
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SINGLE LIVE LOAD 148.3 103.0 75.7 57.9 45.8 37.1 30.6
2-SPAN LIVE LOAD 128.7 89.4 65.7 65.7 50.3 32.2 26.6
3-SPAN LIVE LOAD 160.9 111.7 82.1 62.8 49.7 40.2 33.2
4-SPAN LIVE LOAD 150.2 104.3 76.6 58.7 46.4 37.6 31.0
22 Gauge (Fy = 50 Ksi )
SPAN TYPE LOAD TYPE SPAN IN FEET
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SINGLE LIVE LOAD 200.0 145.2 106.7 81.7 64.5 52.3 43.2
2-SPAN LIVE LOAD 189.8 131.8 96.8 74.1 58.6 47.5 39.2
3-SPAN LIVE LOAD 200.0 163.8 121.1 92.7 73.2 59.3 49.0
4-SPAN LIVE LOAD 200.0 153.8 113.0 86.5 68.4 55.4 45.8
Allowable Uniform Loads Notes:
  1. Allowable loads are based on uniform span lengths and Fy = 50 ksi.
  2. LIVE LOAD is limited by bending, shear, combined shear and bending and web crippling.
  3. Allowable loads consider a maximum deflection ratio of L/180.
  4. The weight of the panel has not been deducted from the allowable loads.
  5. THE ABOVE LOADS ARE NOT FOR USE WHEN DESIGNING PANELS TO RESIST WIND UPLIFT.
  6. Please contact manufacturer or manufacturer’s website for most current allowable wind uplift loads.

The engineering data contained herein is for the expressed use of customers and design professionals. Along with this data, it is recommended that the design professional have a copy of the most current version of the North American Specification for the Design of Cold-Formed Steel Structural Members published by the American Iron and Steel Institute to facilitate design. This Specification contains the design criteria for cold-formed steel components. Along with the Specification, the designer should reference the most current building code applicable to the project jobsite in order to determine environmental loads. If further information or guidance regarding cold-formed design practices is desired, please contact the manufacturer. p EFFECTIVE JANUARY, 2014 SUBJECT TO CHANGE WITHOUT NOTICE

  • LokSeam® is a registered trademark of the NCI Group, Inc.
  • Galvalume Plus® is a registered trademark of BIEC International, Inc.
  • Signature® is a registered trademark of the NCI Group, Inc.