Panels

product-mesalightmesa

  • Description
  • Advantages & Attributes
  • Mesa – Material Specifications
  • Load Span Tables

The Mesa & Light Mesa insulated metal wall panels are well suited for exterior wall and interior partition applications. The lightly corrugated profile on both faces of the panel ensures symmetry from outside the building to inside, and from room to room in partition applications. An aesthetically pleasing Mesa pattern is embossed on both interior and exterior skins. Mesa panels have a standard FM Approved Class 1 foam core and offer excellent insulating values. The metal and foam composite construction creates a rigid panel far stronger than the individual parts. This increases the span capability of the panel and reduces the need for secondary structural components.

Exterior Profile
    • Mesa nominal 1/8” deep; Light Mesa nominal 1/16” deep. Light Mesa not available for 5” or 6” panels.

 

Interior Profile
    • Mesa nominal 1/8″ deep; Light Mesa nominal 1/16″ deep

 

Panel Core
    • Foamed-in-place, Non-CFC & zero ODP polyurethane, FM Class 1 approval

 

Thermal Values
    • K-factor, Btu in/ft2 hr. °F @ 75°F (24°C) mean core temperature = 0.140
    • K-factor, Btu in/ft2 hr. °F @ 40°F (4°C) mean core temperature = 0.126

 

Module Width
    • 36” & 42”; Ceiling and Partition Panel only: 44-½”

 

Panel Thickness
    • CF Mesa: 2”, 2-½”, 2-¾”, 3”, 4”, 5” & 6”
      CF Light Mesa: 2”, 2-½”, 2-¾”*, 3” & 4”
      *Nevada plant only

 

Panel Lengths
  • 8′-0″ to 53′-0″
Exterior Facings
    • Stucco embossed, G-90 galvanized and/or AZ-50 aluminum-zinc coated steel in 26 Ga., 24 Ga. and 22 Ga.

 

Interior Facings
    • Stucco embossed, G-90 galvanized and/or AZ-50 aluminum-zinc coated steel in 26 Ga., 24 Ga. and 22 Ga.

 

Panel Joint
    • Offset double tongue-and-groove with extended metal shelf for positive face fastening. Partition Panel: Offset double tongue-and-groove.

 

Fastening
    • Fastener & Clip concealed in the side joint. Partition Panel: Through-fastened at the top and bottom of the panel.

 

Exterior Finishes & Colors
    • Siliconized Polyester, Fluropon® Full-Strength 70% PVDF Fluoropolymer Coating.Note:
      Dark colors are not recommended for exterior color on cooler and freezer buildings.
      Prices may vary by color, gauge and quantity of metal.

 

Interior Finishes & Colors
  • USDA-compliant Polyester, Igloo White. USDA-compliant PVC Plastisol, Polar White*
    *PVC Plastisol Polar White is a different color & shade than Polar White in other available finishes.

FM Approved Class 1 with no height restrictions.

Mesa and Light Mesa profiled panels with a urethane foam core have a standard FM Class 1 approval and offer the best insulating values available today. Panels are lightweight and quick to install, significantly reducing construction time. A double tongue-and-groove offset side joint permits concealed fastening. Consistent insulating values are achieved with built-in thermal breaks, saving energy. The metal and foam composite construction creates a rigid panel far stronger than the individual parts. This increases the span capability of the panels and reduces the need for secondary structural steel components.
Exterior Profile: Mesa Wave Pattern, nominal 1/8″ deep. Light Mesa Wave Pattern, nominal 1/16″ deep.
Interior Profile: Mesa wave pattern, nominal 1/8″ deep. Light Mesa wave pattern, nominal 1/16″ deep.
Foam Core: Foamed-in-place, Non-CFC & zero ODP polyurethane, Factory Mutual Class 1 approval.
Thermal Value: R-Values with Air Films   75° Mean 40° Mean
2″ Panel 15.14 17.03
2-1/2″ Panel 18.71 21.29
2-3/4″ Panel 20.49 23.42
3″ Panel 22.27 25.55
4″ Panel 29.42 34.06
5″ Panel 36.56 42.58
6″ Panel 43.71 51.09
• R-Values include the air films on each side of the panel• 75° Mean based on ASTM C518 Thermal Testing. 40° Mean based on ASTM C1363 Thermal Testing (Values for C1363 based on 4″ panel testing). All values for other thicknesses extrapolated
Module Width: 36″ & 42″ Partition Panel: 44-½”
Panel Thickness: 2″, 2-½”, 2-¾”, 3″, 4″, 5″ & 6″ CF Light Mesa: 2″, 2-½”, 2-¾”, 3″ & 4″
Panel Lengths: Standard 8′-0″ to 53′-0″.
Exterior Facings: Stucco embossed, G-90 galvanized and/or AZ-50 aluminum-zinc coated steel in 26 Ga., 24 Ga. and 22 Ga.
Interior Facings: Stucco embossed, G-90 galvanized and/or AZ-50 aluminum-zinc coated steel in 26 Ga., 24 Ga. and 22 Ga.
Standard Exterior: Full-Strength 70% PVDF Fluoropolymer Coating.
Finishes & Colors: Polar White, Sandstone, Regal Gray, Desert Beige* and Dark Bronze*. *Desert Beige and Dark Bronze are premium colors in 22 Ga. thickness.Note:

  1. A new expanded palette of premium colors is also available for non-cold storage buildings.
  2. Dark colors are not recommended for exterior color on cooler and freezer buildings.
  3. Prices may vary by color, gauge and quantity of metal.
Interior Finishes & Colors: USDA-compliant Polyester, Igloo White. USDA-compliant PVC Plastisol, Polar White* *PVC Plastisol Polar White is a different color & shade than Polar White in other available finishes.
Joint: Offset double tongue and groove with extended metal shelf for positive face fastening. Partition Panel: Offset double tongue and groove.
Fastening: Fastener & Clip concealed in the side joint. Partition Panel: Through fastened at the top and bottom of the panel.
FM Approved Class 1 with no height restrictions.

 

CF-42 MESA WALL PANEL ALLOWABLE CONNECTION LOAD (PSF)
PANEL THICKNESS SPAN CONDITION FASTENING PATTERN PANEL SPAN (FT)
5 6 7 8 9 10 11 12 13 14 15
2″ Thick Two Spans Pattern FP1 31.6 25.8 21.7 18.8 16.5 14.8 13.3 12.2 11.2 10.3 9.6
Pattern FP2 46.2 37.7 31.8 27.5 24.2 21.6 19.5 17.8 16.4 14.3 12.5
Pattern FP3 58.3 47.6 40.2 34.7 30.5 26.0 22.1 19.0 16.4 14.3 12.5
Three Or More Spans Pattern FP1 33.1 27.4 23.4 20.4 18.1 16.2 14.7 13.5 12.4 11.5 10.8
Pattern FP2 48.4 40.1 34.2 29.8 26.4 23.7 21.2 18.0 15.4 13.2 11.4
Pattern FP3 61.1 50.6 43.2 36.5 30.2 25.2 21.2 18.0 15.4 13.2 11.4
2.5″ Thick Two Spans Pattern FP1 33.3 27.2 22.9 19.8 17.4 15.5 14.0 12.7 11.7 10.8 10.1
Pattern FP2 47.5 38.8 32.7 28.2 24.8 22.1 19.9 18.2 16.7 15.4 14.3
Pattern FP3 60.1 49.0 41.3 35.7 31.4 28.0 25.2 23.0 21.1 19.5 17.3
Three Or More Span Pattern FP1 34.6 28.6 24.4 21.3 18.8 16.9 15.3 14.0 12.9 12.0 11.2
Pattern FP2 49.3 40.8 34.8 30.3 26.8 24.1 21.9 20.0 18.4 17.1 16.0
Pattern FP3 62.4 51.6 44.0 38.3 33.9 30.5 27.7 24.7 21.3 18.5 16.2
3″ Thick Two Spans Pattern FP1 35.1 28.7 24.1 20.8 18.3 16.3 14.7 13.4 12.2 11.3 10.5
Pattern FP2 48.8 39.8 33.6 28.9 25.4 22.6 20.4 18.6 17.0 15.7 14.6
Pattern FP3 61.8 50.5 42.5 36.7 32.2 28.7 25.9 23.5 21.6 20.0 18.6
Pattern FP4 71.1 58.0 48.9 42.2 37.0 33.0 29.7 27.1 24.8 22.9 21.3
Three Or More Spans Pattern FP1 36.1 29.9 25.4 22.2 19.6 17.6 16.0 14.6 13.5 12.5 11.6
Pattern FP2 50.2 41.5 35.4 30.8 27.3 24.5 22.2 20.3 18.7 17.4 16.2
Pattern FP3 63.7 52.6 44.8 39.0 34.6 31.0 28.2 25.8 23.7 22.0 20.5
Pattern FP4 73.2 60.5 51.5 44.9 39.7 35.7 32.4 29.6 27.2 23.8 21.0
4″ Thick Two Spans Pattern FP1 43.0 35.3 29.8 25.6 22.5 20.0 18.0 16.4 15.0 13.8 12.8
Pattern FP2 63.0 51.8 43.6 37.6 33.0 29.3 26.4 24.0 22.0 20.3 18.8
Pattern FP3 74.3 61.0 51.5 44.3 38.9 34.6 31.2 28.3 26.0 23.9 22.2
Pattern FP4 79.6 65.4 55.1 47.5 41.7 37.1 33.4 30.3 27.8 25.7 23.8
Pattern FP5 83.3 68.4 57.7 49.7 43.6 38.8 34.9 31.7 29.1 26.8 24.9
Pattern FP9 89.5 73.5 62.0 53.4 46.9 41.7 37.5 34.1 31.3 28.8 26.8
Pattern FP10 93.6 76.9 64.8 55.9 49.0 43.6 39.3 35.7 32.7 30.2 28.0
Three Or More Spans Pattern FP1 44.0 36.3 30.9 26.9 23.8 21.3 19.3 17.7 16.3 15.1 14.1
Pattern FP2 64.4 53.2 45.3 39.4 34.9 31.3 28.3 25.9 23.9 22.1 20.6
Pattern FP3 76.0 62.8 53.4 46.5 41.1 36.9 33.4 30.6 28.2 26.1 24.3
Pattern FP4 81.4 67.2 57.2 49.8 44.1 39.5 35.8 32.8 30.2 28.0 26.1
Pattern FP5 85.1 70.3 59.9 52.1 46.1 41.3 37.5 34.3 31.6 29.3 27.3
Pattern FP9 91.5 75.6 64.2 55.6 49.0 43.8 39.6 36.2 33.3 30.8 28.7
Pattern FP10 92.6 75.9 64.2 55.6 49.0 43.8 39.6 36.2 33.3 30.8 28.7
5″ Thick Two Spans Pattern FP1 42.3 35.8 30.3 26.2 23.0 20.4 18.4 16.7 15.3 14.1 13.0
Pattern FP2 61.9 52.5 44.5 38.4 33.6 29.9 26.9 24.4 22.4 20.6 19.1
Pattern FP3 73.1 62.0 52.5 45.2 39.7 35.3 31.7 28.8 26.4 24.3 22.6
Pattern FP4 78.2 66.4 56.2 48.5 42.5 37.8 34.0 30.9 28.3 26.1 24.2
Pattern FP5 81.9 69.4 58.8 50.7 44.5 39.6 35.6 32.3 29.6 27.3 25.3
Pattern FP9 88.0 74.6 63.2 54.5 47.8 42.5 38.2 34.7 31.8 29.3 27.2
Pattern FP10 92.0 78.1 66.1 57.0 50.0 44.5 40.0 36.3 33.3 30.7 28.4
Three Or More Spans Pattern FP1 43.5 36.6 31.2 27.1 24.0 21.5 19.4 17.8 16.4 15.2 14.1
Pattern FP2 63.8 53.7 45.7 39.7 35.1 31.5 28.5 26.1 24.0 22.2 20.7
Pattern FP3 75.2 63.3 53.9 46.8 41.4 37.1 33.6 30.7 28.3 26.2 24.4
Pattern FP4 80.6 67.8 57.7 50.2 44.4 39.8 36.0 32.9 30.3 28.1 26.2
Pattern FP5 84.3 70.9 60.4 52.5 46.4 41.6 37.7 34.4 31.7 29.4 27.4
Pattern FP9 90.6 76.2 64.9 56.4 49.9 44.7 40.5 37.0 34.1 31.6 29.4
Pattern FP10 94.8 79.8 67.9 59.0 52.2 46.8 42.4 38.7 35.7 33.0 30.8
6″ Thick Two Spans Pattern FP1 41.7 35.3 30.7 26.6 23.4 20.8 18.7 17.0 15.5 14.3 13.2
Pattern FP2 61.2 51.7 45.0 39.0 34.3 30.5 27.4 24.9 22.8 21.0 19.4
Pattern FP3 72.1 61.0 53.0 46.0 40.4 36.0 32.3 29.4 26.9 24.7 22.9
Pattern FP4 77.2 65.3 56.8 49.3 43.3 38.5 34.6 31.4 28.8 26.5 24.5
Pattern FP5 80.8 68.3 59.4 51.6 45.3 40.3 36.2 32.9 30.1 27.7 25.7
Pattern FP9 86.9 73.4 63.9 55.5 48.7 43.3 39.0 35.4 32.3 29.8 27.6
Pattern FP10 90.9 76.8 66.8 58.0 50.9 45.3 40.7 37.0 33.8 31.2 28.9
Three Or More Spans Pattern FP1 42.8 36.3 31.4 27.3 24.1 21.6 19.6 17.9 16.4 15.2 14.2
Pattern FP2 62.7 53.2 46.0 40.0 35.4 31.7 28.7 26.2 24.1 22.3 20.8
Pattern FP3 74.0 62.8 54.3 47.2 41.7 37.4 33.8 30.9 28.4 26.3 24.5
Pattern FP4 79.3 67.2 58.1 50.5 44.7 40.0 36.2 33.1 30.5 28.2 26.3
Pattern FP5 82.9 70.3 60.8 52.9 46.7 41.9 37.9 34.6 31.9 29.5 27.5
Pattern FP9 89.1 75.6 65.4 56.8 50.2 45.0 40.8 37.2 34.3 31.7 29.6
Pattern FP10 93.2 79.1 68.4 59.5 52.6 47.1 42.6 38.9 35.8 33.2 30.9
CF-36 MESA WALL PANEL ALLOWABLE CONNECTION LOAD (PSF)
PANEL THICKENSS SPAN CONDITION FASTENING PATTERN PANEL SPAN (FT)
5 6 7 8 9 10 11 12
2″ Thick Two Spans Pattern FP1 40.5 34.6 30.3 26.8 23.6 21.0 19.0 17.3
2.5″ Thick Pattern FP1 45.0 38.5 33.7 30.1 27.1 24.1 21.8 19.8
3″ Thick Pattern FP1 49.0 41.8 36.6 32.7 29.5 26.9 24.3 22.2
2″ Thick Three Or More Spans Pattern FP1 41.4 35.1 30.4 26.8 24.0 21.7 19.8 18.2
2.5″ Thick Pattern FP1 46.3 39.3 34.1 30.2 27.0 24.4 22.3 20.5
3″ Thick Pattern FP1 50.5 42.9 37.3 33.1 29.6 26.9 24.6 22.6
CF-30 MESA WALL PANEL ALLOWABLE CONNECTION LOAD (PSF)
PANEL THICKENSS SPAN CONDITION FASTENING PATTERN PANEL SPAN (FT)
5 6 7 8 9 10 11 12
2″ Thick Two Spans Pattern FP1 48.6 41.6 36.4 32.1 28.3 25.2 21.2 17.3
2.5″ Thick Pattern FP1 54.1 46.2 40.5 36.1 32.5 29.0 26.1 21.5
3″ Thick Pattern FP1 58.8 50.2 44.0 39.2 35.4 32.3 29.2 25.5
2″ Thick Three Or More Spans Pattern FP1 49.7 42.1 36.5 32.2 28.8 26.0 22.0 18.7
2.5″ Thick Pattern FP1 55.6 47.1 41.0 36.2 32.4 29.3 26.8 23.7
3″ Thick Pattern FP1 60.6 51.5 44.8 39.7 35.6 32.2 29.5 27.1
  • Based on CF-36 and CF-42 panel with 26 ga. Santa Fe exterior & 26 ga. Light Mesa interior faces (min Fy=33 ksi).
  • For pattern FP1, CF panel clips are fastened to minimum 14 gage steel with (2) 1/4″-14 SDS Tek 3 at interior supports and (1) 1/4″-14 SDS Tek 3 at end supports.  For 12 gage or thicker steel, #12-24 SDS or 1/4″-14 SDS Tek 5′s may be used.  In lieu of self-drilling screws, self-tapping screws may be used.
  • Fastening patterns FP2, FP3, FP4 and FP5, includes CF panel clip attachment plus 1, 2, 3 or 4 Fabloks, repsectively, at supports per panel width.  Fab-lok spacing is 10.5″ OC from female edge of panel seam.
  • The through fasteners (FP9) are as follows:  #12-24 SDS in min 12 ga. steel; or #1/4-14 SDS in min 12 ga. steel; or #1/4-14 STS in min 14 ga. steel.  4 Fasteners with 5/8″ neoprene bonded washers per panel width @ max 8.4″ OC.
  • The through fasteners (FP10) are as follows:  #12-24 SDS in min 12 ga. steel ; or #1/4-14 SDS in min 12 ga. steel; or #1/4-14 STS in min 14 ga. steel.  5 Fasteners with 5/8″ neoprene bonded washers per panel width @ max 8.4″ OC.
  • Allowable suction load is the lowest value of panel bending strength, shear strength, deflection limit and connection strength for each fastening pattern.
  • Allowable loads based on panel stress and deflection design criteria are derived from ASTM E72 structural testing and calculated with factor of safety of 2.5 for bending stress, 3.0 for shear stresses and deflection limitation of L/180.
  • The panel connection strength was determined from ASTM E1592 testing and the allowable loads are calculated with factor of safety of 2.
  • The structural capacity of the girts are not considered and must be examined independently.
  • Consult Robertson Building Systems for recommendations on panel profile and gage suitable for thermal stresses.
CF MESA WALL PANEL ALLOWABLE POSITIVE LOAD (PSF)
PANEL THICKNESS SPAN CONDITION DESIGN CRITERIA PANEL SPAN (FT)
5 6 7 8 9 10 11 12 13 14 15
2″ Thick Two Spans Bending & Shear 68.7 56.1 47.3 40.9 36.0 32.1 29.0 26.5 22.2 18.8 16.1
Deflection (L/180) 70.0 55.1 44.6 36.7 30.7 26.0 22.1 19.0 16.4 14.3 12.5
Three Or More Spans Bending & Shear 67.5 55.6 47.2 41.1 36.4 32.6 29.6 27.0 24.9 21.9 18.9
Deflection (L/180) 70.8 55.6 44.6 36.5 30.2 25.2 21.2 18.0 15.4 13.2 11.4
2.5″ Thick Two Spans Bending & Shear 79.3 64.8 54.6 47.1 41.4 36.9 33.3 30.4 27.1 22.8 19.4
Deflection (L/180) 87.9 69.9 57.0 47.5 40.1 34.2 29.5 25.6 22.3 19.6 17.3
Three Or More Spans Bending & Shear 77.6 63.8 54.1 47.0 41.6 37.2 33.7 30.9 28.4 25.9 22.4
Deflection (L/180) 88.9 70.6 57.5 47.6 39.9 33.7 28.8 24.7 21.3 18.5 16.2
3″ Thick Two Spans Bending & Shear 89.0 72.7 61.2 52.8 46.4 41.3 37.2 33.9 31.1 26.7 22.7
Deflection (L/180) 104.1 83.3 68.4 57.3 48.8 41.9 36.4 31.8 28.0 24.8 22.0
Three Or More Spans Bending & Shear 86.9 71.3 60.4 52.4 46.3 41.4 37.5 34.3 31.6 29.2 25.6
Deflection (L/180) 105.2 84.3 69.2 57.8 48.9 41.8 36.0 31.2 27.2 23.8 21.0
4″ Thick Two Spans Bending & Shear 95.1 77.8 65.6 56.5 49.6 44.1 39.7 36.1 33.1 30.5 28.3
Deflection (L/180) 130.8 105.6 87.6 74.1 63.6 55.2 48.4 42.8 38.1 34.0 30.6
Three Or More Spans Bending & Shear 92.6 75.9 64.2 55.6 49.0 43.8 39.6 36.2 33.3 30.8 28.7
Deflection (L/180) 131.7 106.6 88.6 74.9 64.2 55.6 48.6 42.7 37.8 33.5 29.9
5″ Thick Two Spans Bending & Shear 108.8 89.3 75.4 65.0 57.0 50.7 45.6 41.4 37.9 35.0 32.4
Deflection (L/180) 149.1 121.2 101.2 86.2 74.5 65.1 57.5 51.2 45.8 41.3 37.4
Three Or More Spans Bending & Shear 106.1 87.0 73.5 63.6 56.0 50.0 45.1 41.2 37.8 35.0 32.5
Deflection (L/180) 149.9 122.1 102.2 87.1 75.3 65.9 58.1 51.5 46.0 41.3 37.2
6″ Thick Two Spans Bending & Shear 121.2 99.7 84.3 72.8 63.9 56.9 51.2 46.4 42.5 39.1 36.3
Deflection (L/180) 159.0 129.9 109.1 93.3 81.1 71.3 63.3 56.6 51.0 46.1 42.0
Three Or More Spans Bending & Shear 118.5 97.2 82.1 71.0 62.5 55.7 50.3 45.8 42.0 38.9 36.1
Deflection (L/180) 159.5 130.6 109.8 94.2 81.9 72.1 64.0 57.2 51.4 46.5 42.2
  • Based on CF-30, CF-36 and CF-42 panel with 26 ga. Mesa exterior & 26 ga. Mesa interior faces (min Fy=33 ksi).
  • Refer to the allowable connection load chart, for suction loads, which controls support spacing requirements.
  • Allowable positive load is the lowest value of panel bending strength, shear strength & deflection limit.
  • Allowable loads based on panel stress and deflection design criteria are derived from ASTM E72 structural testing and calculated with factor of safety of 2.5 for bending stress, 3.0 for shear stresses and deflection limitation of L/180.
  • The structural capacity of the girts are not considered and must be examined independently.
  • Consult Robertson Building Systems for recommendations on panel profile and gage suitable for thermal stresses.
CF-42 LIGHT MESA WALL PANEL ALLOWABLE CONNECTION LOAD (PSF)
PANEL THICKNESS SPAN CONDITION FASTENING PATTERN PANEL SPAN (FT)
5 6 7 8 9 10 11 12 13 14 15
2″ Thick Two Spans Pattern FP1 31.6 25.8 21.7 18.8 16.5 14.8 13.3 12.2 11.2 10.3 9.6
Pattern FP2 46.2 37.7 31.8 27.5 24.2 21.6 19.5 17.8 16.4 14.3 12.5
Pattern FP3 58.3 47.6 40.2 34.7 30.5 26.0 22.1 19.0 16.4 14.3 12.5
Three Or More Spans Pattern FP1 33.1 27.4 23.4 20.4 18.1 16.2 14.7 13.5 12.4 11.5 10.8
Pattern FP2 48.4 40.1 34.2 29.8 26.4 23.7 21.2 18.0 15.4 13.2 11.4
Pattern FP3 61.1 50.6 43.2 36.5 30.2 25.2 21.2 18.0 15.4 13.2 11.4
2.5″ Thick Two Spans Pattern FP1 33.3 27.2 22.9 19.8 17.4 15.5 14.0 12.7 11.7 10.8 10.1
Pattern FP2 47.5 38.8 32.7 28.2 24.8 22.1 19.9 18.2 16.7 15.4 14.3
Pattern FP3 60.1 49.0 41.3 35.7 31.4 28.0 25.2 23.0 21.1 19.5 17.3
Three Or More Spans Pattern FP1 34.6 28.6 24.4 21.3 18.8 16.9 15.3 14.0 12.9 12.0 11.2
Pattern FP2 49.3 40.8 34.8 30.3 26.8 24.1 21.9 20.0 18.4 17.1 16.0
Pattern FP3 62.4 51.6 44.0 38.3 33.9 30.5 27.7 24.7 21.3 18.5 16.2
3″ Thick Two Spans Pattern FP1 35.1 28.7 24.1 20.8 18.3 16.3 14.7 13.4 12.2 11.3 10.5
Pattern FP2 48.8 39.8 33.6 28.9 25.4 22.6 20.4 18.6 17.0 15.7 14.6
Pattern FP3 61.8 50.5 42.5 36.7 32.2 28.7 25.9 23.5 21.6 20.0 18.6
Pattern FP4 71.1 58.0 48.9 42.2 37.0 33.0 29.7 27.1 24.8 22.9 21.3
Three Or More Spans Pattern FP1 36.1 29.9 25.4 22.2 19.6 17.6 16.0 14.6 13.5 12.5 11.6
Pattern FP2 50.2 41.5 35.4 30.8 27.3 24.5 22.2 20.3 18.7 17.4 16.2
Pattern FP3 63.7 52.6 44.8 39.0 34.6 31.0 28.2 25.8 23.7 22.0 20.5
Pattern FP4 73.2 60.5 51.5 44.9 39.7 35.7 32.4 29.6 27.2 23.8 21.0
4″ Thick Two Spans Pattern FP1 43.0 35.3 29.8 25.6 22.5 20.0 18.0 16.4 15.0 13.8 12.8
Pattern FP2 63.0 51.8 43.6 37.6 33.0 29.3 26.4 24.0 22.0 20.3 18.8
Pattern FP3 74.3 61.0 51.5 44.3 38.9 34.6 31.2 28.3 26.0 23.9 22.2
Pattern FP4 79.6 65.4 55.1 47.5 41.7 37.1 33.4 30.3 27.8 25.7 23.8
Pattern FP5 83.3 68.4 57.7 49.7 43.6 38.8 34.9 31.7 29.1 26.8 24.9
Pattern FP9 89.5 73.5 62.0 53.4 46.9 41.7 37.5 34.1 31.3 28.8 26.8
Pattern FP10 93.6 76.9 64.8 55.9 49.0 43.6 39.3 35.7 32.7 30.2 28.0
Three Or More Spans Pattern FP1 44.0 36.3 30.9 26.9 23.8 21.3 19.3 17.7 16.3 15.1 14.1
Pattern FP2 64.4 53.2 45.3 39.4 34.9 31.3 28.3 25.9 23.9 22.1 20.6
Pattern FP3 76.0 62.8 53.4 46.5 41.1 36.9 33.4 30.6 28.2 26.1 24.3
Pattern FP4 81.4 67.2 57.2 49.8 44.1 39.5 35.8 32.8 30.2 28.0 26.1
Pattern FP5 85.1 70.3 59.9 52.1 46.1 41.3 37.5 34.3 31.6 29.3 27.3
Pattern FP9 91.5 75.6 64.2 55.6 49.0 43.8 39.6 36.2 33.3 30.8 28.7
Pattern FP10 92.6 75.9 64.2 55.6 49.0 43.8 39.6 36.2 33.3 30.8 28.7
5″ Thick Two Spans Pattern FP1 42.3 35.8 30.3 26.2 23.0 20.4 18.4 16.7 15.3 14.1 13.0
Pattern FP2 61.9 52.5 44.5 38.4 33.6 29.9 26.9 24.4 22.4 20.6 19.1
Pattern FP3 73.1 62.0 52.5 45.2 39.7 35.3 31.7 28.8 26.4 24.3 22.6
Pattern FP4 78.2 66.4 56.2 48.5 42.5 37.8 34.0 30.9 28.3 26.1 24.2
Pattern FP5 81.9 69.4 58.8 50.7 44.5 39.6 35.6 32.3 29.6 27.3 25.3
Pattern FP9 88.0 74.6 63.2 54.5 47.8 42.5 38.2 34.7 31.8 29.3 27.2
Pattern FP10 92.0 78.1 66.1 57.0 50.0 44.5 40.0 36.3 33.3 30.7 28.4
Three Or More Spans Pattern FP1 43.5 36.6 31.2 27.1 24.0 21.5 19.4 17.8 16.4 15.2 14.1
Pattern FP2 63.8 53.7 45.7 39.7 35.1 31.5 28.5 26.1 24.0 22.2 20.7
Pattern FP3 75.2 63.3 53.9 46.8 41.4 37.1 33.6 30.7 28.3 26.2 24.4
Pattern FP4 80.6 67.8 57.7 50.2 44.4 39.8 36.0 32.9 30.3 28.1 26.2
Pattern FP5 84.3 70.9 60.4 52.5 46.4 41.6 37.7 34.4 31.7 29.4 27.4
Pattern FP9 90.6 76.2 64.9 56.4 49.9 44.7 40.5 37.0 34.1 31.6 29.4
Pattern FP10 94.8 79.8 67.9 59.0 52.2 46.8 42.4 38.7 35.7 33.0 30.8
6″ Thick Two Spans Pattern FP1 41.7 35.3 30.7 26.6 23.4 20.8 18.7 17.0 15.5 14.3 13.2
Pattern FP2 61.2 51.7 45.0 39.0 34.3 30.5 27.4 24.9 22.8 21.0 19.4
Pattern FP3 72.1 61.0 53.0 46.0 40.4 36.0 32.3 29.4 26.9 24.7 22.9
Pattern FP4 77.2 65.3 56.8 49.3 43.3 38.5 34.6 31.4 28.8 26.5 24.5
Pattern FP5 80.8 68.3 59.4 51.6 45.3 40.3 36.2 32.9 30.1 27.7 25.7
Pattern FP9 86.9 73.4 63.9 55.5 48.7 43.3 39.0 35.4 32.3 29.8 27.6
Pattern FP10 90.9 76.8 66.8 58.0 50.9 45.3 40.7 37.0 33.8 31.2 28.9
Three Or More Spans Pattern FP1 42.8 36.3 31.4 27.3 24.1 21.6 19.6 17.9 16.4 15.2 14.2
Pattern FP2 62.7 53.2 46.0 40.0 35.4 31.7 28.7 26.2 24.1 22.3 20.8
Pattern FP3 74.0 62.8 54.3 47.2 41.7 37.4 33.8 30.9 28.4 26.3 24.5
Pattern FP4 79.3 67.2 58.1 50.5 44.7 40.0 36.2 33.1 30.5 28.2 26.3
Pattern FP5 82.9 70.3 60.8 52.9 46.7 41.9 37.9 34.6 31.9 29.5 27.5
Pattern FP9 89.1 75.6 65.4 56.8 50.2 45.0 40.8 37.2 34.3 31.7 29.6
Pattern FP10 93.2 79.1 68.4 59.5 52.6 47.1 42.6 38.9 35.8 33.2 30.9
CF-36 LIGHT MESA WALL PANEL ALLOWABLE CONNECTION LOAD (PSF)
PANEL THICKNESS SPAN CONDITION FASTENING PATTERN PANEL SPAN (FT)
5 6 7 8 9 10 11 12
2″ Thick Two Spans Pattern FP1 40.5 34.6 30.3 26.8 23.6 21.0 19.0 17.3
2.5″ Thick Pattern FP1 45.0 38.5 33.7 30.1 27.1 24.1 21.8 19.8
3″ Thick Pattern FP1 49.0 41.8 36.6 32.7 29.5 26.9 24.3 22.2
2″ Thick Three Or More Spans Pattern FP1 41.4 35.1 30.4 26.8 24.0 21.7 19.8 18.2
2.5″ Thick Pattern FP1 46.3 39.3 34.1 30.2 27.0 24.4 22.3 20.5
3″ Thick Pattern FP1 50.5 42.9 37.3 33.1 29.6 26.9 24.6 22.6
CF-30 LIGHT MESA WALL PANEL ALLOWABLE CONNECTION LOAD (PSF)
PANEL THICKNESS SPAN CONDITION FASTENING PATTERN PANEL SPAN (FT)
5 6 7 8 9 10 11 12
2″ Thick Two Spans Pattern FP1 48.6 41.6 36.4 32.1 28.3 25.2 21.2 17.3
2.5″ Thick Pattern FP1 54.1 46.2 40.5 36.1 32.5 29.0 26.1 21.5
3″ Thick Pattern FP1 58.8 50.2 44.0 39.2 35.4 32.3 29.2 25.5
2″ Thick Three Or More Spans Pattern FP1 49.7 42.1 36.5 32.2 28.8 26.0 22.0 18.7
2.5″ Thick Pattern FP1 55.6 47.1 41.0 36.2 32.4 29.3 26.8 23.7
3″ Thick Pattern FP1 60.6 51.5 44.8 39.7 35.6 32.2 29.5 27.1
  • Based on CF-30, CF-36 and CF-42 panel with 26 ga. Light Mesa exterior & interior faces (min Fy=33 ksi).
  • For pattern FP1, CF panel clips are fastened to minimum 14 gage steel with (2) 1/4″-14 SDS Tek 3 at interior supports and (1) 1/4″-14 SDS Tek 3 at end supports.  For 12 gage or thicker steel, #12-24 SDS or 1/4″-14 SDS Tek 5’s may be used.  In lieu of self-drilling screws, self-tapping screws may be used.
  • Fastening patterns FP2, FP3, FP4 and FP5, includes CF panel clip attachment plus 1, 2, 3 or 4 Fabloks, respectively, at supports per panel width.  Fab-lok spacing is 10.5″ OC from female edge of panel seam.
  • The through fasteners (FP9) are as follows:  #12-24 SDS in min 12 ga. steel; or #1/4-14 SDS in min 12 ga. steel; or #1/4-14 STS in min 14 ga. steel.  4 Fasteners with 5/8″ neoprene bonded washers per panel width @ max 8.4″ OC.
  • The through fasteners (FP10) are as follows:  #12-24 SDS in min 12 ga. steel; or #1/4-14 SDS in min 12 ga. steel; or #1/4-14 STS in min 14 ga. steel.  5 Fasteners with 5/8″ neoprene bonded washers per panel width @ max 8.4″ OC.
  • Allowable suction load is the lowest value of panel bending strength, shear strength, deflection limit and connection strength for each fastening pattern.
  • Allowable loads based on panel stress and deflection design criteria are derived from ASTM E72 structural testing and calculated with factor of safety of 2.5 for bending stress, 3.0 for shear stresses and deflection limitation of L/180.
  • The panel connection strength was determined from ASTM E1592 testing and the allowable loads are calculated with factor of safety of 2.
  • The structural capacity of the girts are not considered and must be examined independently.
  • Consult Robertson Building Systems for recommendations on panel profile and gage suitable for thermal stresses.
CF LIGHT MESA WALL PANEL ALLOWABLE POSITIVE LOAD (PSF)
PANEL THICKNESS SPAN CONDITION DESIGN CRITERIA PANEL SPAN (FT)
5 6 7 8 9 10 11 12 13 14 15
2″ Thick Two Spans Bending & Shear 71.9 58.7 49.5 42.8 37.7 33.7 26.9 21.9 18.3 15.5 13.3
Deflection (L/180) 73.0 57.4 46.3 38.1 31.8 26.8 22.8 19.6 16.9 14.7 12.8
Three Or More Spans Bending & Shear 70.8 58.3 49.5 43.1 38.1 34.2 30.2 25.0 21.1 18.1 15.6
Deflection (L/180) 73.8 57.8 46.3 37.7 31.1 25.9 21.8 18.5 15.7 13.5 11.6
2.5″ Thick Two Spans Bending & Shear 82.2 67.2 56.6 48.9 43.0 38.3 34.5 27.9 23.1 19.5 16.7
Deflection (L/180) 90.9 72.2 58.9 48.9 41.3 35.2 30.3 26.3 22.9 20.1 17.7
Three Or More Spans Bending & Shear 80.6 66.2 56.2 48.8 43.2 38.7 35.0 31.0 26.1 22.3 19.2
Deflection (L/180) 92.0 73.0 59.3 49.0 41.0 34.6 29.5 25.3 21.8 18.9 16.5
3″ Thick Two Spans Bending & Shear 91.7 74.9 63.1 54.4 47.8 42.6 38.4 33.2 27.3 22.9 19.4
Deflection (L/180) 107.2 85.6 70.3 58.9 50.0 43.0 37.3 32.6 28.6 25.3 22.5
Three Or More Spans Bending & Shear 89.5 73.5 62.3 54.0 47.7 42.7 38.7 35.4 30.0 25.5 22.0
Deflection (L/180) 108.3 86.6 71.0 59.3 50.1 42.8 36.8 31.9 27.7 24.3 21.3
4″ Thick Two Spans Bending & Shear 97.3 79.6 67.1 57.8 50.7 45.1 40.6 36.9 33.9 31.2 29.0
Deflection (L/180) 133.6 107.9 89.4 75.6 64.9 56.3 49.4 43.6 38.8 34.6 31.1
Three Or More Spans Bending & Shear 94.7 77.6 65.7 56.9 50.2 44.8 40.6 37.0 34.1 31.5 29.4
Deflection (L/180) 134.6 108.9 90.4 76.4 65.5 56.7 49.5 43.5 38.4 34.1 30.4
5″ Thick Two Spans Bending & Shear 110.8 90.9 76.7 66.2 58.1 51.6 46.5 42.2 38.6 35.6 33.0
Deflection (L/180) 151.8 123.4 103.0 87.6 75.7 66.2 58.4 52.0 46.5 41.9 37.9
Three Or More Spans Bending & Shear 108.0 88.5 74.8 64.7 57.0 50.9 46.0 41.9 38.5 35.6 33.2
Deflection (L/180) 152.5 124.3 103.9 88.6 76.6 66.9 59.0 52.3 46.7 41.9 37.7
6″ Thick Two Spans Bending & Shear 123.1 101.2 85.6 73.9 64.9 57.7 51.9 47.1 43.1 39.7 36.8
Deflection (L/180) 161.3 131.8 110.6 94.7 82.2 72.3 64.1 57.3 51.6 46.7 42.5
Three Or More Spans Bending & Shear 120.2 98.6 83.4 72.1 63.4 56.6 51.0 46.5 42.7 39.4 36.7
Deflection (L/180) 161.9 132.5 111.4 95.5 83.1 73.1 64.9 58.0 52.1 47.1 42.7
  • Based on CF-30, CF-36 and CF-42 panel with 26 ga. Light Mesa exterior & 26 ga. Light Mesa interior faces (min Fy=33 ksi).
  • Refer to the allowable connection load chart, for suction loads, which controls support spacing requirements.
  • Allowable positive load is the lowest value of panel bending strength, shear strength & deflection limit.
  • Allowable loads based on panel stress and deflection design criteria are derived from ASTM E72 structural testing and calculated with factor of safety of 2.5 for bending stress, 3.0 for shear stresses and deflection limitation of L/180.
  • The structural capacity of the girts are not considered and must be examined independently.
  • Consult Robertson Building Systems for recommendations on panel profile and gage suitable for thermal stresses.
WALL PANELS ALLOWABLE NEGATIVE LOAD (PSF) BASED ON SIDE JOINT CONNECTION ONLY
CF PANEL THICKNESS SPAN CONDITION PANEL SPAN (FEET)
4.0 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0
30″ WIDE 2″ TWO SPANS 47.0 37.6 31.3 26.9 23.5 20.9 18.8 17.1 15.7
2.5″ 53.8 43.1 35.9 30.8 26.9 23.9 21.5 19.6 17.9
3″ 59.8 47.8 39.9 34.2 29.9 26.6 23.9 21.7 19.9
2″ Three Or More Spans 51.5 41.2 34.4 29.5 25.8 22.9 20.6 18.7 17.2
2.5″ 59.0 47.2 39.4 33.7 29.5 26.2 23.6 21.5 19.7
3″ 65.5 52.4 43.7 37.5 32.8 29.1 26.2 23.8 21.8
36″ WIDE 2″ TWO SPANS 39.2 31.3 26.1 22.4 19.6 17.4 15.7 14.2 13.1
2.5″ 44.9 35.9 29.9 25.6 22.4 19.9 17.9 16.3 15.0
3″ 49.8 39.8 33.2 28.5 24.9 22.1 19.9 18.1 16.6
2″ Three Or More Spans 43.0 34.4 28.6 24.5 21.5 19.1 17.2 15.6 14.3
2.5″ 49.2 39.4 32.8 28.1 24.6 21.9 19.7 17.9 16.4
3″ 54.6 43.7 36.4 31.2 27.3 24.3 21.8 19.9 18.2
  • Based on CF-30, CF-36 and CF-42 panel with 26 ga. Light Mesa exterior & 26 ga. Light Mesa interior faces (min Fy=33 ksi).
  • Refer to the allowable connection load chart, for suction loads, which controls support spacing requirements.
  • Allowable positive load is the lowest value of panel bending strength, shear strength & deflection limit.
  • Allowable loads based on panel stress and deflection design criteria are derived from ASTM E72 structural testing and calculated with factor of safety of 2.5 for bending stress, 3.0 for shear stresses and deflection limitation of L/180.
  • The structural capacity of the girts are not considered and must be examined independently.
  • Consult Robertson Building Systems for recommendations on panel profile and gage suitable for thermal stresses.
PANEL Allowable Single Span for Inward and Outward Load of 10 psf
Panel Type Thickness (in) Design Criteria Allowable Span (ft)
Bending Stress Shear Stress Deflection Limit L/120
CF-42 Mesa/Mesa or CF-45 Mesa/Mesa 2 18.1 38.5 15.8 15.8
2.5 19.5 43.8 18.6 18.6
3 20.6 48.5 21.2 20.6
4 24.7 50.8 26.0 24.7
5 27.9 57.2 30.3 27.9
6 30.1 63.3 34.0 30.1
  • Based on panels with 26 gage exterior and 26 gage interior face (min Fy = 33 ksi) for single span condition.
  • Allowable span is the lowest value of panel bending strength, shear strength and deflection limit.
  • The spans based on panel stress and deflection design criteria are derived from E-72 structural testing. The allowable loads are calculated with a factor of safety of 2.5 and 3.0 for bending and shear stresses, respectively and deflection limitation of L/120.
  • The structural capacity of support members and panel attachment to the support members are not considered and must be examined independently.
IMPORTANT NOTES:
  • Deflection caused by temperature differential induced thermal bow is not addressed in the above table and may result in allowable spans that are less than the spans listed above and may require the use of heavier 24 or 22 gage panel facings at added cost. Except for self-supporting the dead weight of the panel, partition wall panels are non-load bearing. Ceiling panels must be supported from the structure above or by an internal support structure. Panel skins must be captured at both ends of the panel by supporting members designed to support reaction pressures from a 5 psf interior pressure. CF-42 = 42″ wide. CF-45 = 44.5″ wide.
METL-SPAN PANEL ALLOWABLE SPAN IN FEET/METERS FOR PARTITION PANELS
  PARTITION PANELS THICKNESS – IN./CM.
LOAD PSF/KPA DEFL. L/120 2 5.08 2.5 6.35 3 7.62 4 10.16 5 12.7 6 15.24
5/.24 20.80 6.34 24.50 7.47 27.90 8.50 34.10 10.39 39.50 12.04 45.60 12.98
  • Based on 26 gauge, CF45 or Narrower Partition Panel with a Mesa/Mesa Profile.
METL-SPAN PANEL ALLOWABLE SPAN IN FEET/METERS FOR PARTITION PANELS
  PARTITION PANELS THICKNESS – IN./CM.
LOAD PSF/KPA DEFL. L/120 2 5.08 2.5 6.35 3 7.62 4 10.16 5 12.7 6 15.24
5/.24 20.80 6.34 24.50 7.47 27.10 8.26 32.40 9.87 34.60 10.54 36.50 11.12
  • Based on 26 gauge, CF45 or Narrower Partition Panel with a Light Mesa/Light Mesa Profile.