Disclosed is a system of cladding along an existing exterior wall of a building featuring a plurality of Z-shaped components deployed in a parallel spaced apart arrangement, with an insulation panel in between two of the Z-shaped components. The Z-shaped components having a J-wall to enforce a moisture gap between exterior wall paneling and insulation. The Z-shaped components may feature Edge-components when the line of insulation panels needs to be interrupted or when it reaches a corner or edge of a wall.