Basement or cellar waterproofing is necessary if the room is damp, fungus and mold have been noticed, as well as water on the walls and floor. Especially if water began to leak, it is advisable to make waterproofing urgently. Since the consequences may be different. Even damage to the foundation. The waterproofing company article has recommendations for waterproofing https://www.pomwaterproofing.ca/how-to-waterproof-a-basement-from-inside-or-outside/
. After reading, you will understand whether you need cellar protection or not.