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Nucor Building Systems Credentials

You can put your trust in Nucor solutions that have been proven time and time again. As a member of the Metal Building Manufacturer's Association and the Canadian Sheet Steel Building Institute, you can be assured that Nucor Building Systems products have passed rigorous third-party testing of our engineering and manufacturing policies, practices, and procedures.

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

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

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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

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 Sytems - 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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