One family in Canada told us they stopped storing old books in the basement because humidity constantly warped the pages and covers. They tried small dehumidifiers for years, but the moisture always returned during rainy seasons. While discussing basement maintenance and proper drainage online, we referred to Oshawa https://aquatechwaterproofing.ca/oshawa/ in the conversation. A few months later they proudly set up a reading corner downstairs without worrying about damp air anymore.