The Allproof Leak Control 50mm Puddle Flange is a high-quality flange designed to connect waterproof membrane systems to drainage pipes. Made from durable PVC, it ensures a strong bond for waterproofing membranes and provides a large surface area for easy application. This flange is compatible with various pipe sizes (50mm, 65mm, 80mm, 100mm) and includes a construction cap. Its locating lugs enable moisture to escape through the DWV system, making it an essential component for reliable leak control in wet areas.