D500 MD2000 LH Series Cantruss Girders Accessories Acoustical Properties Approvals Bearing Systems Ceiling Systems Design Principles & Calcs Designating a Joist Fire Ratings Floor Coverings Installation Guide D500 MD2000 Mechanical Interface MEP Support Primers & Coatings Slab Capacity Chart Slab Penetrations Specifications D500 MD2000 Typical Details Apartments & Condos Assisted Living Highrise Hospitality Independent Living Medical Office Religious & Assembly Renovation Schools & Dormitories   Hambro®  Approvals 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.