Abstract: The present invention is directed to a line barrier system and method of installing such a system which includes, a plurality of modular supports having a base for mounting to the structure, with the supports having at least one projecting member extending in a fixed position from said base; a fastener for mounting said plurality of modular supports to the structure; and, at least one generally translucent line fixedly attached to said projecting member on more than one of said plurality of modular supports to provide a line barrier between the bird and the structure.