300 Minor Rib Intermediate Support 300 Minor Rib Intermediate Support

300 Series Wall Panel

300 Series panels are available in Shadowline, Azteco Embossed and Minor Rib profiles. Ideal for low to mid-rise controlled environment applications, 300 Series panels are economical, energy-efficient and durable. 300 Series panels are the perfect solution for clean rooms, cold storage and heavy wash down environments.

  • Exterior and Interior metal skins are available in 26, 24 and 22 gauge
  •  Available in a variety of finishes meeting USDA guidelines, including Imperial White (standard)  
  • Foamed-in-place manufacturing process produces consistent, high quality
  • A variety of interior  profile skins are available to provide a unique appearance
  • Tested R-Value of 8.25 per inch per ASTM C518 @ 35°F
  • GREENGUARD Gold Certified

Product Information

Technical Information
Performance Testing & Approvals
Profile Exterior: Flat, Minor Rib, Shadowline
  For Azteco, Striated: Shadowline, Minor Rib or V-groove
  For Minor Rib: Minor Rib, Shadowline or V-groove
  For Shadowline: Shadowline
Embossing Exterior:
  For flat: Azteco
  For Minor Rib, Shadowline: Stucco or non-embossed
Interior: Stucco or non-embossed
Gauge Exterior: 26, 24, 22 ga
Interior: 26, 24, 22 ga
Width 42”
Thickness 2”, 3”, 4”, 5”, 6” 
Azteco, Minor Rib: Also available in 2.5”
Length 8’ - 53’
Reveal option N/A
Orientation Vertical
Post fabrication N/A
R-value ≈ 7.2 per inch per ASTM C518 @ 75˚F
≈ 8.25 per inch per ASTM C518 @ 35°F
Test Procedure Results
Fire FM-4880 Class 1 Fire Rating of Insulated Wall or Wall and Roof/Ceiling Panels, Interior Finish Materials or Coatings, and Exterior Wall Systems
ASTM E84 Flame Spread: 25 or Less / Smoke Developed: 450 or Less
ULC-S101 Standard Methods of Fire Endurance Tests of Building Construction and Materials
ULC-S102 Standard Method of Test for Surface Building Characteristics of Building Materials and Assemblies
ULC-S127 Standard Corner Wall Method of Test for Flammability Characteristics of Non-Melting Building Materials
UBC26-4 / NFPA 285 Standard Fire Test Method for Evaluation of Fire Propagation Characteristics of Exterior Non-Load-Bearing Wall Assemblies Containing Combustible Components
NFPA 259 Standard Fire Test Method for Evaluation of Fire Propagation Characteristics of Exterior Non-Load-Bearing Wall Assemblies Containing Combustible Components
Strength FM-4881 Approval Standard for Class 1 Exterior Wall Systems
ASTM E72 Chamber Method Panel load / span and deflection tables are available
Thermal Transmission ASTM C518
Thermal Performance at 75°   Thermal Performance at 35°
Thickness U-Factor R-Value Thickness U-Factor R-Value
2 0.07 14.4 2 0.06 16
2.5 0.06 18.0 2.5 0.05 20
3 0.05 21.6 3 0.04 24
4 0.03 28.8 4 0.03 32
5 0.03 36.0 5 0.03 40
6 0.02 43.2 6 0.02 48
Air Infiltration ASTM E283 0.003 CFM/ft² of Panel Area at 6.24 psf
Water Penetration ASTM E331 No Water Penetration at 20.0 psf
Fatigue Subjected to 2 million alternate cycles of 20 PSF positive and
negative wind loading
No metal / foam delamination or metal fatigue
Humidity Sample subjected to 100% relative humidity at 140°F for 1000 hours No evidence of metal primer corrosion
Autoclave Sample placed in an autoclave device and pressurized to 2 PSI
at 212°F for 2½ hours
No evidence of delamination
Skin Delamination   No skin delamination with direct pull off pressure up to 1188 psf

Product reliability is critical, particularly in controlled atmosphere applications where the challenges of meeting the climatic extremes require special know-how and experience.  For peace of mind, our teams offer comprehensive guidance and expertise during the design and construction phases of the project and are backed by Kingspan’s broad coverage warranties:

  • 2 year standard material workmanship warranty
  • Up to 20 years standard finish warranty
Contact our sales or customer service departments for information regarding our optional warranty programs.


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Controlled Environments Product Selector

Color Chart

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300 Azteco Data Sheet

300 Minor Rib Data Sheet

300 Shadowline Data Sheet

200/300 Series MasterFormat CSI Specification (DOC)

200/300 Series MasterFormat CSI Specification (PDF)

200/300 Series Cold Storage CAD Details (DWG)

200/300 Series Cold Storage CAD Details (PDF)

For the complete controlled environments building envelope solution, consider these complementary products.

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