Vinegar and isopropyl alcohol will work well to dissolve silicone.
How to remove old silicone from shower doors.
Step 1 use a plastic scraper to remove as much of the old caulk as possible from the shower door.
Step 2 dampen a towel and moisten the remaining caulk for about 3 days.
Perfectly caulked corners is what you ll hav.
First you should wash the surface with warm water.
Let me show you the easiest way to remove old silicone caulking in your shower and re silicone it to look great.
The best way to remove silicone caulk short of using a digestant is to treat it with a silicone sealant remover wd 40 vinegar or alcohol wait for it to soften and then attack it with a knife or paint scraper.
It is used to keep water from entering behind the tile and rotting the wall that it is attached to and to keep water from leaking out of the shower door.
Tried just pulling with fingers but that only works on the thick gobs and still leaves some behind.
Tried box cutter and old style razor blade but thin strips of silicone is still left attacked to the aluminium.
Then add cup of the clorox bleach to a gallon of warm water.
This old caulk needs to be removed before new doors.
Has gobs strips of old silicone sealant stubbornly stuck to the aluminium sides.
Allow the solution to sit on the surface for about 5 minutes.
Silicone caulking is used in showers to seal the gaps in each corner where two tiled walls come together between the bathtub and the base of the tiled wall and to seal the shower door frame.