if is the corner tub affair ? just finished the 1 in my 64 overlander, is fiberglass i took all out (walls have to come out first but once out was easy to repair,lite finish sand and repaint then reseal with spray on coat of poly resin. am real happy with the result. have to gut the bathroom to fix your floor anyway. i gutted mine front to rear, that way when it's done all will be well.