At v4, we specialize in providing the ultimate waterproofing solutions, paired well with excellent service and workmanship. Our systems are designed to be cost effective while protecting your building from future damage and minimize long term expense. Our team of experts use the latest technology and techniques to ensure your investment keeps its value for longer. For roof waterproofing and roof maintenance, basement waterproofing, balconies and walls, contact us today to learn more about how we can help you with your waterproofing needs.