HOBA is a family manufacturer of fire-rated interior and exterior doorsets in T30, T60 and T90, smoke doors to DIN 18095, and fire-rated windows and glazing. Its own documentation states that the doorsets hold German allgemeine bauaufsichtliche Zulassungen issued by the DIBt against DIN 4102, with testing to EN 1634-1, and that much of the range is additionally certified to EN 16034 for European use. Recorded DIBt approvals for HOBA types include Z-6.20-2090 for T30 and Z-6.20-2099 for T90.