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Round

Round Downpipes in Cast Aluminium

Round cast aluminium downpipes are the most popular choice for aluminium rainwater drainage systems due to their compatibility with half-round and beaded half-round gutter profiles. These aluminium gutters are well-suited for traditional-style buildings, offering a classic appearance while providing modern durability. 

Available in a comprehensive range of downpipe diameters (2.5, 3 & 4”)/sizes and lengths (1, 2 & 3m), these cast aluminium downpipes are long-lasting, aesthetically pleasing,  and available in 27 colours in a matt finish in 10 days and 5 textured finish colours in 15 to meet the needs of various build projects and architectural styles.


Cast Aluminium Downpipes Colours

Manufactured by Alumasc in a range of BBA-approved powder coated finishes:

Textured black available in 24 hours
5 other textured colours available in 15 days
26 standard mat RAL colours, including anthracite grey, available in 10 days
For Plain Mill Finish (i.e. uncoated), please call us to discuss.

Choose from the 27 standard RAL colours (including the textured finish options) here, then place your order online, and we will call you to confirm the matt colour required.

These cast aluminium downpipes are manufactured to meet the highest specifications, ensuring they integrate into the rest of the traditional aluminium rainwater system components we offer. Most orders are fulfilled with next day delivery days, making it easy to complete your project without issues or delay.


Discover More About our Complete Range

Our round-cast aluminium downpipes are crafted to meet the needs of both modern and traditional-style buildings. Made from high-quality aluminium, these aluminium downpipes are an essential addition to your traditional, or traditional ‘style,’ property, providing both durability and unmistakable heritage characterful aesthetic appeal. Their classic design ensures they contribute style and effective protection to any architectural style, while their robust fabrication guarantees a long-lasting solution for your rainwater management requirements

Take a look at our customers' image gallery

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  1. 63mm  (2.5") x 3m Aluminium Downpipe with Cast Eared Socket - Textured Black
    63mm (2.5") x 3m Aluminium Downpipe with Cast Eared Socket - Textured Black
    Was £128.14 Sale Price £79.45
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    Estimated Delivery date is 09/01/2025
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  2. 63mm (2.5") x 2m Aluminium Downpipe with Cast Eared Socket - Textured Black
    63mm (2.5") x 2m Aluminium Downpipe with Cast Eared Socket - Textured Black
    Was £97.37 Sale Price £60.37
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    Estimated Delivery date is 07/01/2025
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  3. 63mm (2.5") x 1m Aluminium Downpipe with Cast Eared Socket - Textured Black
    63mm (2.5") x 1m Aluminium Downpipe with Cast Eared Socket - Textured Black
    Was £61.48 Sale Price £38.12
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    Estimated Delivery date is 07/01/2025
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  4. 63mm (2.5") Aluminium Downpipe Clip - Textured Black
    63mm (2.5") Aluminium Downpipe Clip - Textured Black
    Was £12.36 Sale Price £7.66
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    Estimated Delivery date is 07/01/2025
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  5. 63mm (2.5") Cast Aluminium Shoe with Ears - Textured Black
    63mm (2.5") Cast Aluminium Shoe with Ears - Textured Black
    Was £28.43 Sale Price £17.63
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    Estimated Delivery date is 07/01/2025
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  6. 63mm (2.5") Cast Aluminium Non-Eared Shoe - Textured Black - from Rainclear Systems
    63mm (2.5") Cast Aluminium Non-Eared Shoe - Textured Black
    Was £31.68 Sale Price £19.64
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    Estimated Delivery date is 07/01/2025
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  7. 63mm (2.5") Cast Aluminium 112 Degree Bend without Ears - Textured Black
    63mm (2.5") Cast Aluminium 112 Degree Bend without Ears - Textured Black
    Was £30.35 Sale Price £18.82
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    Estimated Delivery date is 07/01/2025
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  8. 63mm (2.5") Cast Aluminium 135 Degree Bend without Ears - Textured Black
    63mm (2.5") Cast Aluminium 135 Degree Bend without Ears - Textured Black
    Was £30.36 Sale Price £18.82
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    Estimated Delivery date is 07/01/2025
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  9. 63mm (2.5") Cast Aluminium 90 Degree Bend without Ears - Textured Black
    63mm (2.5") Cast Aluminium 90 Degree Bend without Ears - Textured Black
    Was £30.35 Sale Price £18.82
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    Estimated Delivery date is 07/01/2025
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  10. 63mm (2.5") Cast Aluminium 112 Degree Branch without Ears - Textured Black
    63mm (2.5") Cast Aluminium 112 Degree Branch without Ears - Textured Black
    Was £39.64 Sale Price £24.58
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    Estimated Delivery date is 07/01/2025
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  11. 63mm (2.5") Cast Aluminium 75mm Offset without Ears - Textured Black
    63mm (2.5") Cast Aluminium 75mm Offset without Ears - Textured Black
    Was £49.48 Sale Price £30.68
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    Estimated Delivery date is 07/01/2025
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  12. 63mm (2.5") Cast Aluminium 150mm Offset without Ears - Textured Black
    63mm (2.5") Cast Aluminium 150mm Offset without Ears - Textured Black
    Was £61.72 Sale Price £38.27
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    Estimated Delivery date is 07/01/2025
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  13. 63mm (2.5") Cast Aluminium 150mm Offset without Ears - Textured Black
    63mm (2.5") Cast Aluminium 225mm Offset without Ears - Textured Black
    Was £70.04 Sale Price £43.42
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    Estimated Delivery date is 07/01/2025
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  14. 63mm (2.5") Cast Aluminium Downpipe 400mm (max) Adjustable Offset - Textured Black
    63mm (2.5") Cast Aluminium Downpipe 400mm (max) Adjustable Offset - Textured Black
    Was £65.00 Sale Price £40.30
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    Estimated Delivery date is 07/01/2025
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  15. 63mm (2.5") Cast Aluminium Downpipe 700mm (max) Adjustable Offset - Textured Black
    63mm (2.5") Cast Aluminium Downpipe 700mm (max) Adjustable Offset - Textured Black
    Was £73.37 Sale Price £45.49
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    Estimated Delivery date is 07/01/2025
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  16. 63mm (2.5") Cast Aluminium Downpipe 900mm (max) Adjustable Offset - Textured Black
    63mm (2.5") Cast Aluminium Downpipe 900mm (max) Adjustable Offset - Textured Black
    Was £85.54 Sale Price £53.03
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    Estimated Delivery date is 27/01/2025
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  17. 200mm Cast Aluminium Flat Back Hopper Head - 63mm (2.5") Outlet - Textured Black
    200mm Cast Aluminium Flat Back Hopper Head - 63mm (2.5") Outlet - Textured Black
    Was £48.99 Sale Price £30.37
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    Estimated Delivery date is 07/01/2025
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  18. 250mm Cast Aluminium Rectangular Hopper Head 63mm (2.5") Outlet - Textured Black
    250mm Cast Aluminium Rectangular Hopper Head 63mm (2.5") Outlet - Textured Black
    Was £64.84 Sale Price £40.20
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    Estimated Delivery date is 07/01/2025
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  19. 63mm (2.5") Cast Aluminium Eared Socket - Textured Black
    63mm (2.5") Cast Aluminium Eared Socket - Textured Black
    Was £21.64 Sale Price £13.42
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    Estimated Delivery date is 07/01/2025
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  20. 63mm (2.5") Cast Aluminium Loose Socket without Ears - Textured Black
    63mm (2.5") Cast Aluminium Loose Socket without Ears - Textured Black
    Was £21.64 Sale Price £13.42
    You Save 38%
    Estimated Delivery date is 07/01/2025
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  21. 63mm (2.5") x 2m Aluminium Downpipe with Cast Eared Socket - Textured Anthracite Grey RAL 7016
    63mm (2.5") x 2m Aluminium Downpipe with Cast Eared Socket - Textured Anthracite Grey RAL 7016
    Was £97.37 Sale Price £60.37
    You Save 38%
    Estimated Delivery date is 27/01/2025
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  22. 63mm  (2.5") x 3m Aluminium Downpipe with Cast Eared Socket - Textured Anthracite Grey RAL 7016
    63mm (2.5") x 3m Aluminium Downpipe with Cast Eared Socket - Textured Anthracite Grey RAL 7016
    Was £128.14 Sale Price £79.45
    You Save 38%
    Estimated Delivery date is 27/01/2025
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  23. 63mm (2.5") Aluminium Downpipe Clip - Textured Anthracite Grey RAL 7016
    63mm (2.5") Aluminium Downpipe Clip - Textured Anthracite Grey RAL 7016
    Was £12.36 Sale Price £7.66
    You Save 38%
    Estimated Delivery date is 27/01/2025
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  24. 63mm (2.5") Cast Aluminium Shoe with Ears - Textured Anthracite Grey RAL 7016
    63mm (2.5") Cast Aluminium Shoe with Ears - Textured Anthracite Grey RAL 7016
    Was £28.43 Sale Price £17.63
    You Save 38%
    Estimated Delivery date is 27/01/2025
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  25. 63mm (2.5") Cast Aluminium Non-Eared Shoe - Textured Anthracite Grey RAL 7016 - from Rainclear Systems
    63mm (2.5") Cast Aluminium Non-Eared Shoe - Textured Anthracite Grey RAL 7016
    Was £31.68 Sale Price £19.64
    You Save 38%
    Estimated Delivery date is 27/01/2025
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  26. 63mm (2.5") Cast Aluminium 112 Degree Bend without Ears - Textured Anthracite Grey RAL 7016
    63mm (2.5") Cast Aluminium 112 Degree Bend without Ears - Textured Anthracite Grey RAL 7016
    Was £30.35 Sale Price £18.82
    You Save 38%
    Estimated Delivery date is 27/01/2025
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  27. 63mm (2.5") Cast Aluminium 135 Degree Bend without Ears - Textured Anthracite Grey RAL 7016
    63mm (2.5") Cast Aluminium 135 Degree Bend without Ears - Textured Anthracite Grey RAL 7016
    Was £30.36 Sale Price £18.82
    You Save 38%
    Estimated Delivery date is 27/01/2025
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  28. 63mm (2.5") Cast Aluminium 90 Degree Bend without Ears - Textured Anthracite Grey RAL 7016
    63mm (2.5") Cast Aluminium 90 Degree Bend without Ears - Textured Anthracite Grey RAL 7016
    Was £30.35 Sale Price £18.82
    You Save 38%
    Estimated Delivery date is 27/01/2025
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  29. 63mm (2.5") Cast Aluminium 112 Degree Branch without Ears - Textured Anthracite Grey RAL 7016
    63mm (2.5") Cast Aluminium 112 Degree Branch without Ears - Textured Anthracite Grey RAL 7016
    Was £39.64 Sale Price £24.58
    You Save 38%
    Estimated Delivery date is 27/01/2025
    Add to Compare Info
  30. 63mm (2.5") Cast Aluminium 150mm Offset without Ears - Textured Anthracite Grey RAL 7016
    63mm (2.5") Cast Aluminium 150mm Offset without Ears - Textured Anthracite Grey RAL 7016
    Was £61.72 Sale Price £38.27
    You Save 38%
    Estimated Delivery date is 27/01/2025
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