There s a time and place for a tire plug, but a proper tire repair means removing the tire from the wheel, inspecting the inside, drilling with a carbide bit, buffing to a rough finish, gluing and filling the hole with a one-piece repair unit. When the repair unit is set, I seal the buffed surface with a repair sealer, before mounting and re-balancing the tire -- We fix over 1300 tires a year -- See how I fix a nail hole using a permanent REMA plug/patch combination repair in my shop.