Then use your knife or tool to scrape along the tub or shower floor. Photo 2: Loosen and remove the remaining caulk. Squirt caulk remover on all the remaining caulk and let it do the hard work.

Thoroughly clean off all of the soap scum and wait for the surface to dry (otherwise, the bond might fail). Apply a strip of foam tape on each mounting flange, stopping one inch short of the ends.