A method and an arrangement for treating a web (2) of paper or board is described, in which a functional coating (5) is applied to the web (2) and the web (2) is then calendered.It is wished to obtain a web provided with a functional coating in a cost-effective fashion.This is achieved through the following combination: the functional coating (5) is applied without direct contact, the web (2) is calendered online in conjunction with the application of the coating, calendering takes place in a broad nip (18) in a shoe calender (9), which exhibits a shoe roller (10) with a rotating outer cover (11) and a squeeze roller (14).

 
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