Because of changing weather conditions, waterproofing is a cyclical business. The spring is usually the busiest time of the year for waterproofing companies. However, whenever especially wet conditions occur, the best waterproofing companies can also get backed up. Unfortunately, instead of waiting for a reputable company, unsuspecting homeowners sometimes take a chance with any company that can start right away. The Best Pick Reports research identified some companies with very good reviews for waterproofing.