Puddle Flanges – Waterproof Your Pipe Penetrations with Confidence
Prevent leaks at pipe entries with high-performance puddle flanges – ideal for underground and concrete structures.
Used in high-risk moisture environments, puddle flanges act as a physical barrier to stop water tracking along pipework. Whether you're building a commercial foundation, basement, or water tank, our range ensures superior sealing and long-term durability.
🧱 What Is a Puddle Flange?
A puddle flange is a circular collar installed around pipes where they pass through waterproof concrete structures like walls, slabs, or tanks. Its purpose? To create a seal that stops water from tracking along the outside of the pipe – a critical weak point in any build.
💧 Where Are Puddle Flanges Used?
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Basements and sub-floors
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Water and wastewater treatment plants
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Concrete tanks and pits
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High water table installations
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Infrastructure projects
🛠️ Benefits of Using a Puddle Flange
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Prevents Water Ingress: Keeps external moisture from entering your structure
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Reliable Barrier: Forms a tight seal when cast into concrete
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Wide Compatibility: Suitable for PVC, HDPE, copper, and stainless steel pipes
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Corrosion-Resistant Options: For aggressive environments
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Australian Compliant: Products stocked by Plumber Supplies are built to code
🧩 Choosing the Right Puddle Flange
When selecting a puddle flange, consider:
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Pipe material & diameter
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Environment (corrosive vs standard)
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Load rating and pressure class
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Concrete thickness
Shop our range of puddle flanges here