300 Granitstone

300 Granitstone Intermediate Support 300 Granitstone Intermediate Support

300 Granitstone Wall Panels

300 Granitstone combines the many advantages of lightweight insulated metal wall panels with the aesthetics of stucco masonry. This factory applied finish provides a unique texture and aggregate appearance. Kingspan’s acrylic Granitstone Quartz finish delivers a dynamic, high-end look at an economical price.

  • Choose from eight standard Granitstone or five standard Granitstone Quartz colors
  • Granitstone panels arrive to site ready for quick and easy installation
  • Thicknesses range from 2”- 6” for superior thermal performance
  • A variety of interior faces are available to provide a unique, finished appearance
  • Granitstone finish is also available in the KS Series joint design as well as Designwall
  • GREENGUARD Gold Certified

Product Information

Technical Information
Performance Testing & Approvals
Exterior profile Flat with Granitstone or Granitstone Quartz finish
Interior profile Shadowline or flat with stucco embossing
(optional non-embossed)
Exterior gauge 26, 24, 22 ga
Interior gauge 26, optional 24 or 22 ga
Widths 42” standard (24”, 30” and 36” optional)
Reveal options Vertical 1/8”, Horizontal 3/8”
Lengths 8’ to 31’
Thicknesses 2”, 2.5”, 3”, 4”, 5” and 6”
Post Fabrication Folded corners
R-value ≈ 7.2 per inch per ASTM C518 @ 75˚F
≈ 8.25 per inch per ASTM C518 @ 35°F
Orientation Horizontal or Vertical
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
Toxicity State of New York, Article 15, Part 1120 of the New York State
Uniform Fire Prevention Code
Kingspan panels are in compliance
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 K-Factor R-Value Thickness K-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

At Kingspan, we understand the unique challenges that design and construction professionals face every day.  To do our part in meeting these demands, Kingspan products are offered with our team’s guidance and technical expertise, followed up after construction is completed with our product 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.



Kingspan Blue Book

Insulated Panel Systems Product Selector

Color Chart

Be Inspired Global Case Study Book

300 Granitstone Data Sheet

300 Granitstone WeightTable

200/300/400 Series MasterFormat CSI Specification (DOC)

200/300/400 Series MasterFormat CSI Specification (PDF)

200/300 Series CAD Details (DWG)

200/300 Series CAD Details (PDF)

200/300 Series Installation Guide

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