Facility Certifications or Accreditations

  • IAS AC 472 Accreditation for Metal Buildings – all four facilities
  • CAN/CSA A660 Certification for Manufacture of Metal Buildings – Indiana & Utah facilities
  • Canadian Sheet Steel Building Institute – Member
  • Metal Building Manufacturers Association – Member
  • CWB W47.1 Certified – Indiana & Utah facilities

Underwriter Agency Approvals

  • Factory Mutual Approval FM Standard 4471 – CFR, VR 16 II, Classic Roof
  • Underwriters Laboratories, Inc. UL 580 Class 90 Roof Panels
  • Classic Roof – Construction No. 161, 167
  • CFR – Construction No. 552, 552A, 552B, 590
  • VR 16 II – Construction No. 238, 238A, 238B, 238C, 331, 336, 435, 451, 487, & 567

Personnel Credentials

Licensed Professional Engineers – Registered throughout the US and Canada. Professional Association Membership by NBS Engineers:

  • National Society of Professional Engineers
  • American Society of Civil Engineers
  • American Welding Society
  • Association of Iron & Steel Engineers

State/Local Approvals:

  • Florida Product Approval – Nucor VR16 II™, CFR™, Classic Roof™, Classic Wall™, Reverse Classic™, Accent Wall™
  • Miami-Dade County – Approved Manufacturer &/or Fabricator of Structural Steel and Miscellaneous Metals Products & Assemblies
  • City Fabricator Certifications – Cities of Houston, TX;  Los Angeles, CA; Riverside, CA; Seattle, WA; Phoenix, AZ
  • Clark County, NV – Certified Fabricator of Metal Building
  • State of Utah – Department of Facilities and Construction Management – Approved Fabricator 

Completed Product Testing

  • ASTM E108 Test Methods for Fire Tests of Roof Coverings – VR16 II, CFR, Classic Roof
  • ASTM E283 Test Method for Determining Air Leakage through Wall Systems – Classic Wall, Reverse Classic Wall, Accent Wall
  • ASTM E331 Test Method for Water Penetration of Exterior Wall Systems – Classic Wall, Reverse Classic Wall, Accent Wall
  • ASTM E1592 Test Method for Wind Uplift Performance of Sheet Metal Roofing Systems – CFR, VR16 II
  • ASTM E1646 Test Method for Water Penetration of Exterior Roof Systems – VR16 II, CFR all seams, 24″ wide = none @12 psf
  • ASTM E1680 Test Method for Rate of Air Leakage Through Exterior Roof Systems – VR16 II, CFR all seams, 24″ wide = 0.0005 cfm/sq.ft.
  • ASTM E2140 Test Method for Water Penetration of Metal Roof Panel Systems by Static Water Pressure Head – CFR
  • AISI Gravity & Uplift Base Testing – VR 16 II, CFR
  • AISI Purlin Stability Testing – VR16 II, CFR
  • US Army Corps of Engineers – VR16 II, CFR – Approved per CEGS 07416 test specification
  • FM Simulated Hail Damage Testing – VR 16 II, CFR, Classic Roof – Class SH Hail Resistance

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