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Tuff Wall®
  • Description
  • Attributes & Advantages
  • Tuff Wall® - Material Specifications
  • Load Span Tables

Tuff Wall® is an exceptionally attractive stucco-like insulated metal wall panel that exhibits the natural beauty that many designers and owners prefer. The exterior stucco-like surface of the panel is a hard aggregated fiber reinforced polymer coating created with the factory applied Tuff Cote® finish system. Tuff Cote finish offers an extremely durable impact and abrasion resistant coating that withstands severe weather conditions.

Unlike field-applied finishes that are vulnerable to damp or cold weather during installation, Tuff Wall panels can be erected in virtually any weather condition. The interior face of the Tuff Wall panel is finished with an attractive Mesa profile and painted with a white
polyester coating.

  • The masonry look of stucco with the efficiency of an insulated metal panel
  • The field-tested and proven Tuff Cote technology
  • A durable finish that is highly resistant to impact and abrasion
  • A 10-year limited warranty

 

Exterior Profile:

No profile with Tuff Cote finish system

Interior Profile:

Mesa nominal 1/8" deep; Light Mesa nominal 1/16" deep, Light Mesa not available for 5- or 6-inch thick panels

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"

Panel Thickness:

2", 2 1/2", 3", 4", 5", 6"

Panel Lengths:

8'-0" to 40'-0"

Exterior Facings:

Stucco embossed, G-90 galvanized and/or AZ-50 aluminum-zinc coated steel in 24 Ga. and 22 Ga. with factory applied Tuff Cote finish system

Interior Facings:

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

Exterior Textures:

Tuff Cote finish system - a hard aggregated fiber reinforced polymer coating

Panel Joint:

Offset double tongue and groove with extended metal shelf for positive
face fastening

Fastening:

Fastener and Clip concealed in the side joint

Color:

Medium Beige, Antique Bronze, Surrey Beige, Warm Limestone, Light Stone, Light Gray and Stucco White

FM Approved Class 1 with no height restrictions.

Star Shield
Tuff Wall® and Tuff-Cast™ combine the masonry look of stucco and finished precast concrete walls with the thermal efficiency of an insulated metal panel.

The durable finish on Tuff Walll® and Tuff-Cast™ panels is highly resistant to impact and abrasion and maintains its attractive color for many years.

Field-tested and proven Tuff Cote® finish comes with a 10-year limited finish warranty.

The stucco and precast textures conform to the aesthetic demands required by many communities and business developments.
Star Shield
Exterior Profile: Tuff Cote® finish system – a hard aggregated fiber reinforced polymer coating
Interior Profile: Mesa wave pattern, nominal 1/8" deep.
Foam Core: Foamed-in-place, Non-CFC & zero ODP polyurethane, FM Class 1 approval.
Thermal Values: R-Values with Air Films   75° Mean 40° Mean
2" Panel 15.14 17.03
2-1/2" Panel 18.71 21.29
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"
Panel Thickness: 2", 2-1/2", 3", 4", 5" & 6"
Panel Lengths: Standard 8'-0" to 40'-0".
Horizontal Application Reveal Widths: 1/4", 1/2", 3/4", 1", 1-1/2", 2", 2-1/2", 3"
Exterior Facings: Stucco embossed, G-90 galvanized and/or AZ-50 aluminum-zinc coated steel in 24 Ga. and 22 Ga. with factory applied Tuff Cote® finish system.
Interior Facings: Stucco embossed, G-90 galvanized and/or AZ-50 aluminum-zinc coated steel in 26 Ga., 24 Ga. and 22 Ga. Type 304 stainless steel in 26 Ga. embossed and unpainted.
Standard Exterior: Tuff Cote® finish system in seven colors: Antique Bronze, Light Gray, Light Stone, Medium Beige, Surrey Beige, Stucco White and Warm Limestone.
Interior Finishes & Colors: USDA-compliant Polyester, Igloo White.
Joint: Offset double tongue and groove with extended metal shelf for positive face fastening.
Fastening: Fastener & Clip concealed in the side joint.
FM Approved Class 1 with no height restrictions.
CF-42 TUFF WALL® 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 31.6 25.8 21.7 18.8 16.5 14.8 13.3 12.2
Pattern FP2 46.2 37.7 31.8 27.5 24.2 21.6 19.5 17.8
Pattern FP3 58.3 47.6 40.2 34.7 30.5 26.0 22.1 19.0
Three Or
More Spans
Pattern FP1 33.1 27.4 23.4 20.4 18.1 16.2 14.7 13.5
Pattern FP2 48.4 40.1 34.2 29.8 26.4 23.7 21.2 18.0
Pattern FP3 61.1 50.6 43.2 36.5 30.2 25.2 21.2 18.0
2.5" Thick Two
Spans
Pattern FP1 33.3 27.2 22.9 19.8 17.4 15.5 14.0 12.7
Pattern FP2 47.5 38.8 32.7 28.2 24.8 22.1 19.9 18.2
Pattern FP3 60.1 49.0 41.3 35.7 31.4 28.0 25.2 23.0
Three Or
More Spans
Pattern FP1 34.6 28.6 24.4 21.3 18.8 16.9 15.3 14.0
Pattern FP2 49.3 40.8 34.8 30.3 26.8 24.1 21.9 20.0
Pattern FP3 62.4 51.6 44.0 38.3 33.9 30.5 27.7 24.7
3" Thick Two
Spans
Pattern FP1 35.1 28.7 24.1 20.8 18.3 16.3 14.7 13.4
Pattern FP2 48.8 39.8 33.6 28.9 25.4 22.6 20.4 18.6
Pattern FP3 61.8 50.5 42.5 36.7 32.2 28.7 25.9 23.5
Pattern FP4 71.1 58.0 48.9 42.2 37.0 33.0 29.7 27.1
Three Or
More Spans
Pattern FP1 36.1 29.9 25.4 22.2 19.6 17.6 16.0 14.6
Pattern FP2 50.2 41.5 35.4 30.8 27.3 24.5 22.2 20.3
Pattern FP3 63.7 52.6 44.8 39.0 34.6 31.0 28.2 25.8
Pattern FP4 73.2 60.5 51.5 44.9 39.7 35.7 32.4 29.6
4" Thick Two
Spans
Pattern FP1 43.0 35.3 29.8 25.6 22.5 20.0 18.0 16.4
Pattern FP2 63.0 51.8 43.6 37.6 33.0 29.3 26.4 24.0
Pattern FP3 74.3 61.0 51.5 44.3 38.9 34.6 31.2 28.3
Pattern FP4 79.6 65.4 55.1 47.5 41.7 37.1 33.4 30.3
Pattern FP5 83.3 68.4 57.7 49.7 43.6 38.8 34.9 31.7
Pattern FP9 89.5 73.5 62.0 53.4 46.9 41.7 37.5 34.1
Pattern FP10 93.6 76.9 64.8 55.9 49.0 43.6 39.3 35.7
Three Or
More Spans
Pattern FP1 44.0 36.3 30.9 26.9 23.8 21.3 19.3 17.7
Pattern FP2 64.4 53.2 45.3 39.4 34.9 31.3 28.3 25.9
Pattern FP3 76.0 62.8 53.4 46.5 41.1 36.9 33.4 30.6
Pattern FP4 81.4 67.2 57.2 49.8 44.1 39.5 35.8 32.8
Pattern FP5 85.1 70.3 59.9 52.1 46.1 41.3 37.5 34.3
Pattern FP9 91.5 75.6 64.2 55.6 49.0 43.8 39.6 36.2
Pattern FP10 92.6 75.9 64.2 55.6 49.0 43.8 39.6 36.2
5" Thick,
Mesa Profile
On Exterior
Two
Spans
Pattern FP1 42.3 35.8 30.3 26.2 23.0 20.4 18.4 16.7
Pattern FP2 61.9 52.5 44.5 38.4 33.6 29.9 26.9 24.4
Pattern FP3 73.1 62.0 52.5 45.2 39.7 35.3 31.7 28.8
Pattern FP4 78.2 66.4 56.2 48.5 42.5 37.8 34.0 30.9
Pattern FP5 81.9 69.4 58.8 50.7 44.5 39.6 35.6 32.3
Pattern FP9 88.0 74.6 63.2 54.5 47.8 42.5 38.2 34.7
Pattern FP10 92.0 78.1 66.1 57.0 50.0 44.5 40.0 36.3
Three Or
More Spans
Pattern FP1 43.5 36.6 31.2 27.1 24.0 21.5 19.4 17.8
Pattern FP2 63.8 53.7 45.7 39.7 35.1 31.5 28.5 26.1
Pattern FP3 75.2 63.3 53.9 46.8 41.4 37.1 33.6 30.7
Pattern FP4 80.6 67.8 57.7 50.2 44.4 39.8 36.0 32.9
Pattern FP5 84.3 70.9 60.4 52.5 46.4 41.6 37.7 34.4
Pattern FP9 90.6 76.2 64.9 56.4 49.9 44.7 40.5 37.0
Pattern FP10 94.8 79.8 67.9 59.0 52.2 46.8 42.4 38.7
6" Thick,
Mesa Profile
On Exterior
Two
Spans
Pattern FP1 41.7 35.3 30.7 26.6 23.4 20.8 18.7 17.0
Pattern FP2 61.2 51.7 45.0 39.0 34.3 30.5 27.4 24.9
Pattern FP3 72.1 61.0 53.0 46.0 40.4 36.0 32.3 29.4
Pattern FP4 77.2 65.3 56.8 49.3 43.3 38.5 34.6 31.4
Pattern FP5 80.8 68.3 59.4 51.6 45.3 40.3 36.2 32.9
Pattern FP9 86.9 73.4 63.9 55.5 48.7 43.3 39.0 35.4
Pattern FP10 90.9 76.8 66.8 58.0 50.9 45.3 40.7 37.0
Three Or
More Spans
Pattern FP1 42.8 36.3 31.4 27.3 24.1 21.6 19.6 17.9
Pattern FP2 62.7 53.2 46.0 40.0 35.4 31.7 28.7 26.2
Pattern FP3 74.0 62.8 54.3 47.2 41.7 37.4 33.8 30.9
Pattern FP4 79.3 67.2 58.1 50.5 44.7 40.0 36.2 33.1
Pattern FP5 82.9 70.3 60.8 52.9 46.7 41.9 37.9 34.6
Pattern FP9 89.1 75.6 65.4 56.8 50.2 45.0 40.8 37.2
Pattern FP10 93.2 79.1 68.4 59.5 52.6 47.1 42.6 38.9

CF-36 TUFF WALL® 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
  1. Based on CF-36 or CF-42 panel with 26 ga. Tuff Wall exterior & 26 ga. Light Mesa interior faces (min Fy=33 ksi).
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. Allowable suction load is the lowest value of panel bending strength, shear strength, deflection limit and connection strength for each fastening pattern.
  7. 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.
  8. The panel connection strength was determined from ASTM E1592 testing and the allowable loads are calculated with factor of safety of 2.
  9. The structural capacity of the girts are not considered and must be examined independently.
  10. Consult Metl-Span for recommendations on panel profile and gage suitable for thermal stresses.
TUFF WALL® WALL PANEL ALLOWABLE POSITIVE LOAD (PSF)
PANEL
THICKNESS
SPAN
CONDITION
DESIGN
CRITERIA
PANEL SPAN (FT)
5 6 7 8 9 10 11 12
2" Thick Two
Spans
Bending & Shear 93.6 73.1 59.7 50.3 43.5 36.1 27.9 22.2
Deflection (L/180) 96.2 73.0 57.6 46.7 38.5 32.3 27.3 23.4
Three Or
More Spans
Bending & Shear 91.4 71.8 59.1 50.2 43.7 38.3 30.3 24.6
Deflection (L/180) 97.2 73.8 58.1 46.8 38.3 31.8 26.6 22.5
2.5" Thick Two
Spans
Bending & Shear 106.7 83.3 68.1 57.3 49.5 43.5 34.9 27.5
Deflection (L/180) 117.0 89.5 71.2 58.2 48.5 41.0 35.1 30.2
Three Or
More Spans
Bending & Shear 103.9 81.5 67.0 56.8 49.3 43.6 36.7 29.7
Deflection (L/180) 118.0 90.5 72.0 58.7 48.7 40.9 34.6 29.6
3" Thick Two
Spans
Bending & Shear 118.5 92.7 75.7 63.8 55.0 48.3 41.9 32.7
Deflection (L/180) 135.0 104.0 83.2 68.5 57.4 48.9 42.1 36.6
Three Or
More Spans
Bending & Shear 115.4 90.5 74.2 62.9 54.6 48.2 42.4 34.1
Deflection (L/180) 135.9 105.0 84.2 69.2 57.9 49.0 42.0 36.2
4" Thick Two
Spans
Bending & Shear 124.9 98.1 80.3 67.7 58.4 51.2 43.1 36.8
Deflection (L/180) 162.0 126.0 101.8 84.5 71.6 61.5 53.5 46.9
Three Or
More Spans
Bending & Shear 121.8 95.5 78.3 66.2 57.3 50.5 44.3 37.3
Deflection (L/180) 162.7 126.9 102.8 85.5 72.4 62.1 53.9 47.1
5" Thick Two
Spans
Bending & Shear 5" and 6" panels are fabricated with a Mesa pattern.  Please refer to
Mesa Wall Panel load chart for allowable positive loads.
Deflection (L/180)
Three Or
More Spans
Bending & Shear
Deflection (L/180)
6" Thick Two
Spans
Bending & Shear
Deflection (L/180)
Three Or
More Spans
Bending & Shear
Deflection (L/180)
  1. Based on CF-36 or CF-42 panel with 26 ga. Tuff Wall exterior & 26 ga. Light Mesa interior faces (min Fy = 33 ksi).
  2. Refer to the allowable connection load chart, for suction loads, which controls support spacing requirements.
  3. Allowable positive load is the lowest value of panel bending strength, shear strength & deflection limit.
  4. 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.
  5. The structural capacity of the girts are not considered and must be examined independently.
  6. Consult Metl-Span for recommendations on panel profile and gage suitable for thermal stresses.