Is it Okay to Repair a Flag?
To extend flag life, flag repair is okay.
Liberty Flags recommends either repairing a damaged flag or purchasing a new one.
Repair requires trimming off the tattered or frayed end and sewing a new hem resembling the original hem with nylon or polyester thread. It is proper to repeat this repair sequence until the flag is nearly square. If the stripes on an American flag will not be longer than the blue field when the repair is complete the flag should be retired. Keep in mind, flag repair will not last as long as the flag did when it was new because the flag fabric has already started to deteriorate.