Abstract: A prefabricated reinforcement device for aluminum rain gutters consisting of right and left arms (16) right and left legs (17) being at one end hinged to back plate (15) the other end hinged to a shoulder (18) thus device is flexible so back plate (15) may be placed against wall of gutter and shoulder may be located under gutter lip thus secured within gutter and aligned and maintained into a rigid unit with gate (19) and gate keeper (27), with spurs (30) projecting over gutter lip as guides to position ladder rails within the safe confines and be chained to safety links (25) as a safe working platform.