Curtain wall of transom post system Ponzio PF 152EI of fire resistance. Ponzio PF 152EI received classification for fire resistance of curtain walls in the full configuration. The system is selected to the classes EI60 and EI30, after the tests, during which has been heated from internal and external side. The fire curtain wallbars between the glass storey and opaque storey can be made in this system. The transparent glass (single or combined) produced by most of manufacturers in the market can be assembled as a fulfillment in fireproof classes EI30 or EI60. Reinforced internal aluminium profiles with fireproof inputs and special transom post connectors provide the construction with design load in fire conditions. Swelling tape protects thermal barrier profile and insulates the connection between the structure ang the glass or other opaque fills, creating an element of fire resistance and fire insulation.