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Professional Building Supplies£27.38Visit shop Floplast Black Deepflow/ Hi-Cap Downpipe - 80Mm X 4Mtr
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B&Q£56.47Visit shop B&Q - Hi-Cap Deepflow 80mm X 4M Round Downpipe BlackPvc-UPush-FitBs En 1462
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The FloPlast 80mm round downpipe is a professional-grade rainwater management component designed for homeowners and contractors installing Deepflow or Hi-Cap gutter systems. Its primary benefit is the robust push-fit joint system, which simplifies installation and enables easy maintenance without the need for adhesives; however, users should note that connecting this to square guttering profiles requires the additional purchase of an RDS2 adaptor.
| Model Part Number | RPH4B |
|---|---|
| Brand | FloPlast |
Yes, but you must use the RDS2 adaptor to bridge the connection between the round pipe and the square gutter.
No, the system is designed as a push-fit installation and does not require solvent weld or silicone.
The pipe has a standard outside diameter of 80mm.
While manufactured to high standards (BS EN 1462), it is primarily designed for domestic rainwater management systems.
You can cut the pipe easily using a standard fine-toothed handsaw. Ensure you deburr the cut edge afterwards for a smooth fit.
It is manufactured to meet BS EN 1462 standards for rainwater management components.
Ensure the pipe is pushed fully home into the fitting and check that the internal rubber seal is correctly seated.
Check the pipe end for rough burrs or damage; smooth the edges with a file if necessary and re-insert into the fitting.
Verify that downpipe clips are installed at the recommended 1.8-meter intervals and are securely anchored to the wall.
To install, ensure the downpipe is cut to the required length using a fine-toothed saw, deburring the edges for a clean fit. When connecting, insert the pipe end into the fitting until the stop point is reached. For long vertical runs, use standard downpipe clips at intervals of 1.8 meters to provide adequate support and prevent sagging. Care is minimal; wash with warm soapy water to remove debris or dirt buildup. Avoid painting with dark colors if the pipe is subject to extreme direct sunlight to prevent thermal expansion issues.
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