Trivia: What can fix a leaking shower or sink?
Mortar
Chalk
Insulation
Caulk
The correct answer is Caulk
So why is this answer correct? : Caulk is used around many wet areas inside the home to seal gaps and prevent leaks in showers, sinks, countertops, backsplashes, and more. There are a variety of caulk solutions, but most are made of silicone or latex. Exterior caulk can also fix various issues outside the home, such as leaking gutters.