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Hambro® composite floor systems have been approved, listed, classified, recognized, certified, and/or accepted by the following leading international, national and local building codes and authorities.
  • Underwriters Laboratories, Inc. designs for 1, 2, and 3 hour fire ratings.
  • Building Officials Code Administrators (B.O.C.A.).
  • Southern Building Code Congress International (S.B.C.C.I.).
  • International Conference of Building Officials (I.C.B.O.).
  • Housing & Urban Development - Federal Housing Administration (HUD-FHA).
  • Metropolitan Dade County Building Code, South Florida
  • New York City, Philadelphia, Baltimore, Washington, D.C., Fairfax County, etc.
  • CMHC, ULC, NRC, etc. Canada.
  • Agreement Certificate No. 74/255 United Kingdom.
  • Zulassungs - N.R. Z-26, 1-7/89 West Germany.
  • U.S. Pat. Nos. 3818083, 3945168, 3819143, 3979868, 3841597, 4015396, 3845594, 4584815, 3913296.
  • Canada Pat. No. 874180.
  • Foreign Pats. around the world.



Swirnow Building Systems is a service mark used under license. The affiliates of Swirnow Building Systems and Swirnow Structures LLC are separate and independent legal entities.
No dealer or affiliate is responsible for the services or activities of any other dealer or affiliate.

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