Q&A for How to Remove Caulk

Water that contains some minerals, such as salts. If you're looking for it at a store, it will be clearly labeled "mineral water."

Acetone is a possible solution, but be careful of the fumes. Also use a good scraper.

Cut into the caulk with a knife with a new blade. Score it all around the window. Try to scrape out as much of the caulk as you can. Gently pry the window between the stop and the sash until it starts to move freely. Keep scoring with your knife and prying. Use a putty knife to pry with. Eventually the window will work free. WD40 also helps to loosen the caulk.

Try spreading a thin layer of silicone solvent on the caulk and letting it sit for a few hours. Then, take a sponge and gently rub the caulk off of the screen. Use a hose and spray it with water to get any excess caulk out of the screen.