A photovoltaic device, including: - one or more photovoltaic modules, each photovoltaic module including: - a first transparent layer forming the front face of the photovoltaic module, intended to receive a light flux, - a plurality of photovoltaic cells disposed side by side and electrically connected to each other, - an assembly encapsulating the plurality of photovoltaic cells, - a second layer forming the rear face of the photovoltaic module, the encapsulating assembly and the plurality of photovoltaic cells being located between the first and second layers, - at least one coating layer (7, 7a, 7b) disposed on the first layer of the or each photovoltaic module, the first layer being located between said at least one coating layer (7, 7a, 7b) and the assembly encapsulating the plurality of photovoltaic cells, said at least one coating layer (7, 7a, 7b) being able to be sanded, the material(s) of said at least one coating layer (7, 7a, 7b) being different from the material(s) of the first layer of the or each photovoltaic module, said at least one coating layer (7, 7a, 7b) including a thermosetting polymer material, characterised in that: said at least one coating layer (7, 7a, 7b) has a thickness comprised between 500 μm and 2 cm, in particular between 500 μm and 1 cm. - one or more photovoltaic modules, each photovoltaic module including: - a first transparent layer forming the front face of the photovoltaic module, intended to receive a light flux, - a plurality of photovoltaic cells disposed side by side and electrically connected to each other, - an assembly encapsulating the plurality of photovoltaic cells, - a second layer forming the rear face of the photovoltaic module, the encapsulating assembly and the plurality of photovoltaic cells being located between the first and second layers, - at least one coating layer (7, 7a, 7b) disposed on the first layer of the or each photovoltaic module, the first layer being located between said at least one coating layer (7, 7a, 7b) and the assembly encapsulating the plurality of photovoltaic cells, said at least one coating layer (7, 7a, 7b) being able to be sanded, the material(s) of said at least one coating layer (7, 7a, 7b) being different from the material(s) of the first layer of the or each photovoltaic module, said at least one coating layer (7, 7a, 7b) including a thermosetting polymer material, characterised in that: said at least one coating layer (7, 7a, 7b) has a thickness comprised between 500 μm and 2 cm, in particular between 500 μm and 1 cm. - a first transparent layer forming the front face of the photovoltaic module, intended to receive a light flux, - a plurality of photovoltaic cells disposed side by side and electrically connected to each other, - an assembly encapsulating the plurality of photovoltaic cells, - a second layer forming the rear face of the photovoltaic module, the encapsulating assembly and the plurality of photovoltaic cells being located between the first and second layers, - at least one coating layer (7, 7a, 7b) disposed on the first layer of the or each photovoltaic module, the first layer being located between said at least one coating layer (7, 7a, 7b) and the assembly encapsulating the plurality of photovoltaic cells,