👉 Caulk (also known as caustic caulk, caustic caulk or caustic caulk) is a type of adhesively applied coating that is used to seal gaps and cracks in various types of surfaces such as walls, floors, ceilings, doors, windows, and more. It is made up of a mixture of caustic soda (also known as sodium carbonate) and water. The primary purpose of caulk is to provide a seal between the surface layer of
