Method for repairing and / or strengthening of pipes

Abstract

A method for affecting a repair and / or strengthening of a pipe is disclosed. the method comprises cleaning an effected area of a surface of the pipe to provide a cleaned surface of the pipe for an area requiring repair; applying a continuous strip around the pipe from a portion prior to the effected area. The continuous strip forms a spiral sleeve spaced from the pipe surface to provide an annular chamber between the pipe surface and the spiral sleeve.