A method is provided for producing an adhesive material (1) for a medical application such as a dressing. The method includes at least one step for coating a first surface (2b) of any substrate (4), called receiving substrate, using a layer of previously coated silicone on an anti-adherent liner (3). The silicone layer is an adhesive gel (2). The method further includes, prior to the coating step, a corona treatment step for the surface of the adhesive silicone gel that is intended to coat the receiving substrate (4).
