PROFESSIONAL BASEMENT WATERPROOFING IN St. Louis Metro Area. Reliable Service, Superior Systems. Securing the safety of your building is one of the most important decisions that you will ever make as a home or business owner. While you may have installed an efficient fire alarm or security system, there is one more vital step that should be taken. With our professional waterproofing services, you will have comprehensive protection for your property. All-Systems Waterproofing Inc. has dedicated nearly six decades to providing St. Louis, Missouri, and the surrounding counties with reliable waterproofing services. We have received an A+ rating with the Better Business Bureau, and we hold a membership with the Home Builders Association. Our team is always on hand to provide you with comprehensive help. Call us anytime at our 24-hour phone service to get a free inspection and immediate assistance. What truly sets us apart from other waterproofing contractors is our lifetime guarantee. Whether you remain in your current building forever or move to another home, you’ll always enjoy unparalleled service no matter where you live.