Coninx 140mm Downpipe
The Coninx 140mm Gutter Pipe provides high-capacity rainwater management for residential and commercial roofing projects. This uPVC solution handles significant water volumes from large catchment areas. It integrates with standard guttering ranges to ensure a reliable drainage system across different building types. The 3-metre length reduces the number of joints required on standard elevations, minimizing the potential for leaks at connection points.
Built for the Job
Contractors select this 140mm diameter component for sites requiring robust drainage solutions that withstand tropical weather conditions. The uPVC construction resists corrosion from acidic rainwater and remains stable under direct sunlight. Plumbers often install this system on warehouses, large residential blocks, and industrial units where standard 110mm pipes might overflow during heavy downpours. Site supervisors prefer this material because it is lightweight enough for manual handling while maintaining the structural integrity needed for long-term external use. The smooth internal bore prevents debris buildup and maintains high flow rates throughout the rainy season.
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Vertical rainwater discharge for multi-story commercial buildings.
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High-volume roof drainage for industrial warehouses and sheds.
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Rainwater harvesting systems requiring large diameter intake pipes.
Product Highlights
- Material Integrity
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High-grade uPVC ensures the drainage unit does not rust, pit, or scale over time even in coastal environments.
- Dimensional Stability
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- Wall thickness is optimized for impact resistance against site debris.
- Precision-extruded for consistent diameter across the full 3000mm length.
Technical Specifications
| Specification | Detail |
|---|---|
| Diameter | 140 mm |
| Length | 3 Metres (3000 mm) |
| Material | uPVC (Unplasticized Polyvinyl Chloride) |
| Color | Grey |
| Connection Type | Spigot / Socket compatible |
What’s Included
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1 x 3-Metre length of 140mm uPVC Gutter Pipe
On-Site & Workshop Notes
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Ensure vertical alignment using a plumb line before securing brackets to the masonry or steelwork.
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Place pipe clips at maximum intervals of 1.5 metres to prevent sagging or lateral movement during heavy flow.
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Allow a 10mm expansion gap at the top of each socket to accommodate thermal movement during temperature fluctuations.
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Use a fine-toothed saw for clean cuts and deburr the edges to ensure a smooth fit into connectors.
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For high-traffic areas, protect the base of the vertical run with a heavy-duty shoe to prevent mechanical damage.
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