58 Foundations, inventor of the interior basement waterproofing system, has been providing five-star customer experiences in basement waterproofing, crawlspace encapsulation, foundation repair and mold removal since 1958. Our money-back guarantee and life-of-the-structure warranty – unique in the industry – offer the ultimate protection to homeowners. Our award-winning company, including winner of the USA Today network’s Top Workplaces award and the BBB’s Torch Award for Ethics, has helped hundreds of thousands of customers repair their basement and crawlspace. Our quality products make homes healthier and more energy efficient… our honest methods delight our customers!