The overall objective of the present work was to estimate the degradation level of old reverse osmosis (RO) membranes in terms of permeability and salt rejection, along with their potential reuse as ultrafiltration (UF) membranes after NaOCl oxidation at 62,500 ppm for 3 h. Detailed study of old RO membrane materials deconstruction has also resulted in recommendations in their reuse as geotextile, mouse pad, support for children drawings, protection to snake attack, and aromatic wall in familial kitchen; all being alternatives solutions to incineration. At the end of the work, 95% of the old RO membrane materials were recycled.