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intermediate attachments are used to hold the perimeter cable, that the netting is attached to, to the structure. These attachments MUST hold the cable TIGHT against the wall / structure to prevent the net from bowing and bowing the birds room to enter the area of coverage. Ideally, the intermediate attachments should be installed every 1.5 feet.
To learn how to choose the right hardware for your next bird netting job, download the guide.