Three widths available. Reinforcing tape is an adhesive-backed polyester twill materials that is attached to the fabric over the rib cap before rib lacing. It reinforces the fabric so that rib laces, screws or rivets don’t cut through the fabric when mechanical attachments are snugged down. Use the width of tape that exactly matches the width of your rib cap. Use two parallel 1/2″ tapes to cover a 1″ rib.