The present invention relates to a fluorinated film possessing properties making it able to be used outside, especially in agricultural field as a greenhouse film for animals. The film according to the invention is a monolayer polymer film comprising a polyvinylidene fluoride (PVDF) matrix, at least one impact modifier, the content by weight of the impact modifier varying between 2.5% and less than 40%, and a flame-retarding agent. According to one variant embodiment, the invention relates to a multilayer film comprising at least one layer of said fluorinated film and at least one unmodified PVDF layer.