PROBLEM TO BE SOLVED: To provide a face material for an intrusion prevention fence which can be easily carried and repaired, can maintain its shape, and can reduce the influence on the ecosystem. SOLUTION: The face material 1 for an intrusion prevention fence used for an intrusion prevention fence 10 is provided with a plurality of mesh portions 2 formed in a substantially hexagonal shape, and the mesh portions 2 are two wire rods 31 and 31. It has a pair of twisted portions 3 that are twisted by more than half a rotation, the pair of twisted portions 3, 3 are arranged so as to extend in the same direction from each other, and the separation distance L of the pair of twisted portions 3, 3 is 110 mm or more. It is characterized by being. [Selection diagram] Fig. 2【課題】持ち運びと補修を容易に行うことができ、形状を保持することができ、生態系への影響を低減させることが可能となる侵入防止柵用面材を提供する。【解決手段】侵入防止柵10に用いられる侵入防止柵用面材1であって、略六角形状に形成される網目部2を複数備え、網目部2は、2本の線材31、31が2回転半以上撚り合わされる撚り部3を一対有し、一対の撚り部3、3は、互いに同一方向に延びて離間して配置され、一対の撚り部3、3の離間距離Lは、110mm以上であることを特徴とする。【選択図】図2