Most People Fail This House Painter Basics Quiz— Do You?Share:FacebookPinterestTwitterMailWhat is a caulk gun often used for near trim?40%Next Correct Incorrect Caulk can fill narrow gaps where trim meets walls. Once painted, those lines often look cleaner and more finished. What is a caulk gun often used for near trim? Loading rollers Holding primer Smoothing patches Applying sealant 40%