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Puddle Flange Megaflex™ is ART Australia's leak-control fitting for the waterproofing-to-drain junction at a point waste. It is designed to bond with the waterproof membrane around the floor-waste penetration and is available at Adheseal in 50mm, 80mm and 100mm sizes.
Best for
- Bathrooms, showers, balconies and other wet areas using a dedicated membrane-to-drain flange.
- Point-drain details where the flange size must match the drainage connection.
What it is not
This is a puddle/leak-control flange, not a finished floor grate. It forms part of the drainage and waterproofing build-up and still requires the appropriate finished waste or grate arrangement above it.
Selection
Match the flange size to the drainage connection before waterproofing and follow the membrane manufacturer's detailing requirements at the flange.
Compare point drainage products or browse all floor wastes, channels and grates.
What are the Megaflex puddle-flange dimensions?
The current product data lists 50 mm: 110×110 mm with a 3.5 mm flange and 50.8 mm outlet OD; 80 mm: 124×124 mm with a 4 mm flange and 75 mm outlet OD; 100 mm: 145×145 mm with a 4 mm flange and 102 mm outlet OD.
- Prepared concrete or screed wet-area floors
- Compatible wet-area waterproofing membranes
- Matching drainage risers
Puddle Flange Megaflex™ Physical Properties
| Property | Value |
|---|---|
| Material | High-Grade PVC |
| Finish | White |
| Available Sizes | 50mm, 80mm, 100mm |
| Temperature Resistance | Up to 60°C |
| Certifications | WaterMark Certified, AS/NZS 1260 |
| Storage Temperature | 5°C to 35°C |
| Shelf Life | Indefinite |




