A method is described for reinforcing to extend the life of a planted pole, including a metal planted utility pole at risk of, or damaged by corrosion. The method comprising delivering a flowable composition into the hollow of the planted pole, the flowable composition being capable of setting in the hollow at least proximate to the groundline to form a substantially non-flowable composition when set; the set composition comprising reinforcement supports, and being attached to the pole to provide additional support for the planted pole at least proximate to the groundline.